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💻 IT 開發工具
共 345 個免費線上工具,純前端處理,資料不上傳
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.gitignore 生成器
.gitignore Generator
.gitignore 生成器
.gitignore Generator - Pick stacks (Python/Node/Go/Rust/Java/.NET/IDE) and merge a ready .gitignore file. Free, browser-only.
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.properties 解析器
.properties Parser
Java .properties 檔案解析:支援 key=value、key:value、行內註釋、行尾反斜槓續行。
.properties Parser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of ...
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A1Z26 密碼
A1Z26 Password
按 A=1、B=2、…、Z=26 的規則,將英文字母訊息編碼為數字序列,或將數字串解碼回字母,適合密碼學入門練習與趣味密信的寫作和破譯。
A1Z26 Password - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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ADFGVX 密碼
ADFGVX Password
復現一戰德軍使用的 ADFGVX 密碼:先以 6×6 方陣(A–Z + 0–9)將明文替換為雙字母,再按金鑰做列置換打亂,支援加密與解密,用於古典密碼教學演示。
ADFGVX Password - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🔐
AES 加密 / 解密
AES Encrypt Decrypt
支援 AES-128/192/256,ECB/CBC/CFB/OFB/CTR 模式,PKCS7 填充。
AES Encrypt Decrypt - encode and decode online, free and secure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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API 簽名生成器
API Signature Generator
API 簽名生成器
API Signature Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of ...
🎲
ASCII 大字生成器
ASCII Art
輸入文字,自動轉換為由 ASCII 字元拼成的「大字」橫幅(figlet 風格),可切換字型並複製結果,用於終端歡迎語、程式碼註釋或社交平臺裝飾排版。
ASCII Art - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📚
ASCII 字元表
ASCII Table
列出標準 ASCII 碼(0–127)的十進位制、十六進位制與字元對照,點選即可複製對應編碼,供程式設計師查閱控制字元、可列印字元與編碼邊界。
ASCII Table - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🌳
ASCII 目錄樹生成器
ASCII Directory Tree Generator
把路徑列表一鍵生成 ASCII 目錄樹(├── └── │ 風格),支援檔案/資料夾標記,複製進 README 或文件。
ASCII Directory Tree Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. P...
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AST 抽象語法樹檢視器
AST AST View Device - AST ( Abstract Syntax Tree
線上 AST 檢視器,用 acorn 解析 JavaScript 原始碼為抽象語法樹並可視化展開節點,幫助理解程式碼結構,支援摺疊與定位,純前端。
AST AST View Device - AST ( Abstract Syntax Tree - view and preview online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no inst...
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高階單位轉換器
Advanced Unit Converter
高階單位轉換器
Convert across length, mass, temperature, area, volume, time, speed and data storage with all common units shown at once. Runs locally.
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BIP39 助記詞生成器
BIP39 Mnemonic Generator
生成符合 BIP39 標準的加密貨幣助記詞(12/15/18/21/24 詞):基於瀏覽器加密級隨機數,支援批次生成,可複製為逗號/空格分隔。
BIP39 Mnemonic Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of...
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Base32 編碼 / 解碼
Base32 Encode/Decode
按 RFC 4648 字元集(A–Z 與 2–7)進行 Base32 編碼與解碼,支援不區分大小寫解碼,純前端本地處理、資料不上傳。
Base32 Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Base58 編碼 / 解碼
Base58 Encode/Decode
輸入文本或位元組,使用去除 0/O/I/l 等易混字元的 Base58 字母表進行編碼或解碼,常用於比特幣地址與短鏈場景,避免複製時產生歧義字元。
Base58 Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🗂️
Base64 檔案轉換
Base64 File Convert
檔案與 Base64 互轉:圖片/文件/壓縮包轉 Base64 字串(含 data URI 字首選項),或貼上 Base64 還原為檔案下載。純本地處理,檔案不上傳。
Base64 File Convert - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Base64 編解碼工具
Base64 Encode/Decode
支援 Base64 / Base32 / Base85 編碼解碼,文本、檔案、批次三種模式,純前端本地處理。
Base64 Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Base85 編碼 / 解碼
Base85 Encode/Decode
支援 Ascii85(Adobe 變體,含 <~ ~> 包裹)與 Z85(ZeroMQ)雙模式。
Base85 Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Basic Auth 生成器
Basic Auth Generator
一鍵生成 HTTP Basic 認證所需的 Authorization 頭與 URL 形式:使用者名稱+密碼 → Base64 令牌,支援中文使用者名稱,供介面除錯與開發使用。
Basic Auth Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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Baudot / ITA2 編碼
Baudot / ITA2 Encode
輸入文本,按 5 位 Baudot/ITA2 電傳碼編碼為位元流(含字母/數字模式切換字元),或反向解碼,適合瞭解早期電傳打字機通訊與復古編碼實驗。
Baudot / ITA2 Encode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Bcrypt 雜湊/校驗
Bcrypt Hash / Check - Bcrypt
Bcrypt 線上雜湊與校驗工具,前端本地對密碼執行 Bcrypt 加鹽雜湊(可設成本因子),或校驗明文與雜湊是否匹配,資料不上傳,純前端。
Bcrypt Hash / Check - Bcrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development t...
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Benchmark 基準測試
Benchmark Benchmark
線上測量瀏覽器 JavaScript 運算效能:整數/浮點/字串/陣列/物件五種負載,每秒運算元(ops/sec)對比,一鍵複製測試程式碼。
Benchmark Benchmark - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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藍牙版本速查
Bluetooth Version Reference
藍牙版本速查
Compare Bluetooth 4.2-5.4 speeds, range, and features, with buying advice by use case. Free online tool on ToolBox — 100% client-side, no data uploaded, no...
🎛️
Box-shadow 生成器
Box-shadow Generator
視覺化 CSS box-shadow 生成器:偏移/模糊/擴散/顏色/內陰影即時調節,即時預覽並複製 CSS 程式碼。
Box-shadow Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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C# 速查
C # Quick Reference
C# 速查:型別、集合、LINQ、類、屬性、record、async/await、模式匹配、dotnet。
C # Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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C++ 速查
C ++ Quick Reference
C++ 速查:型別、STL、智慧指標、類、模板、Lambda、現代特性、異常、CMake。
C ++ Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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C/C++ 字串轉義
C / C ++ String Escape
支援 \n \t \r \\ \' \" \0 \a \b \f \v \xXX \nnn。
C / C ++ String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🛡️
CAA 記錄生成器
CAA Record Generator - Generate DNS CAA
生成 DNS CAA 記錄:指定域名與允許的證書頒發機構,輸出標準 CAA 資源記錄,防止證書誤簽發。
CAA Record Generator - Generate DNS CAA - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no i...
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CRC 計算器
CRC Calculator
支援 CRC8 / CRC16 / CRC32 / CRC64 多種變體。
CRC Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developm...
🎯
CSS 壓縮器
CSS Minifier
CSS 壓縮器
CSS Minifier - Strip comments and redundant whitespace to shrink CSS for faster loads, preserving semantics. Free, browser-only.
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CSS clamp 計算器
CSS clamp Calculator
響應式字號 clamp() 計算器:輸入最小/首選/最大字號與視口範圍,生成流暢縮放表示式並即時預覽。
CSS clamp Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
🎨
CSS 壓縮/格式化/美化
CSS Compress / Beautify
線上 CSS 壓縮與美化工具,去除註釋空白壓縮體積或重新格式化縮排,保留語義便於維護,適合前端構建與除錯,純前端執行。
CSS Compress / Beautify - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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CSS 字串轉義
CSS String Escape
按 CSS.escape 規範,對識別符號與字串兩種模式進行 CSS 轉義處理,純前端本地運算,方便生成安全的 CSS 選擇器。
CSS String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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CSS 屬性速查
CSS Properties
按分類列出完整 CSS 屬性速查表,點選條目展開語法、取值與示例說明,幫助前端開發快速查閱屬性用法,替代頻繁切換文件站點。
CSS Properties - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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CSS 格式化
CSS Format
CSS 樣式表格式化:規範化選擇器縮排、對齊屬性、支援 @media/@supports/@keyframes 巢狀。
CSS Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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CSS單位換算(px / em / rem / pt / %)
CSS Unit Converter (px / em / rem / pt / %)
以基準字號(root/父級 px)為橋樑,在 px、em、rem、pt 與百分比等 CSS 長度單位間換算,並即時預覽效果,幫助前端開發者適配響應式排版與字型縮放。
Convert between CSS length units. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📊
CSV / JSON 轉換器
CSV JSON Converter
線上 CSV 與 JSON 雙向轉換工具,支援自定義分隔符、表頭對映與巢狀結構,前端即時解析預覽,適合資料清洗與介面聯調,純前端。
CSV JSON Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT ...
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CSV 校驗器
CSV Validator
CSV 校驗器
CSV Validator - Verify column counts are consistent, quotes are balanced and fields are non-empty, flagging bad rows. Free, browser-only.
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CSV 轉 HTML 表格
CSV to HTML Table
CSV 轉 HTML 表格
CSV to HTML Table - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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CSV 轉 YAML 轉換器
CSV to YAML Converter
CSV 轉 YAML 轉換器
CSV to YAML Converter - Paste CSV text and convert to YAML lists (first row as header) or plain arrays. Supports quoted fields. Free, browser-only.
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CUID 生成器
CUID Generator
CUID 生成器基於時間戳與指紋生成分散式唯一 ID,避免主鍵衝突,支援批次生成與時間排序,適合前端或資料庫主鍵、日誌追蹤等場景。
CUID Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
🔐
Chmod 許可權計算器
Chmod Permission Calculator
視覺化計算 Linux 檔案許可權:勾選屬主/組/其他使用者的讀(4)寫(2)執行(1)許可權,即時得到數字模式與符號模式,附常見許可權速查。
Chmod Permission Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th...
🎲
Codabar 條形碼
Codabar Barcode
輸入數字與起止符(A–D),即時生成 Codabar(NW-7)一維條形碼影像,可調整尺寸並匯出,常用於血庫、物流與圖書館等場景的標籤列印測試。
Codabar Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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程式碼行數統計
Code Line Counter
程式碼行數統計
Code Line Counter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🎲
Code128 條形碼
Code128 Barcode
輸入任意 ASCII 文本,生成支援全字元集的 Code128 一維條形碼,自動選擇 128A/B/C 子集並校驗,可匯出圖片,適合倉儲與物流條碼製作。
Code128 Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🎲
Code39 條形碼
Code39 Barcode
輸入字母、數字與少數符號,生成 Code39 一維條形碼(無需校驗位),可調節尺寸與匯出,適合工業標識與資產標籤的條碼生成與掃描測試。
Code39 Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
⏰
Cron 表示式生成器
Cron Expression Generator
⏰ Cron 表示式生成器
Cron Expression Generator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
⏰
Crontab 生成器
Crontab Generator
⏰ Crontab 生成器
Crontab Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
🗝️
DES / Triple DES (3DES) 加密解密
DES / 3DES Encrypt Decrypt
DES 與 Triple DES(3DES)線上加密解密工具,前端本地用金鑰對文本執行對稱加解密,支援多種模式與編碼輸出,資料不上傳,純前端。
DES / 3DES Encrypt Decrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📅
日期天數差
Date Duration Calculator
日期天數差
Enter two dates to compute the exact number of days and weeks between them, with inclusive or exclusive end-date options. Runs locally.
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docker run 轉 docker-compose
Docker Run to Compose Converter
docker run 轉 docker-compose
Paste a docker run command and parse the image, ports, volumes, environment and restart policy into a docker-compose.yml snippet. Runs locally.
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Docker 命令速查
Docker Command Quick Reference
Docker 命令速查:容器/映象/網路/卷/Compose/Dockerfile。
Docker Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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Dockerfile 生成器
Dockerfile Generator
Dockerfile 生成器
Dockerfile Generator - Choose base image, exposed port and start command to produce a usable Dockerfile. Free, browser-only.
🎲
EAN-13 條形碼
EAN Barcode
輸入 12–13 位數字,按 EAN-13 規範生成商品條形碼並計算校驗位,可匯出圖片,用於零售商品碼、圖書 ISBN 條碼的預覽與列印前驗證。
EAN Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
✒️
ECDSA 橢圓曲線簽名
ECDSA Signature / Verify
ECDSA 橢圓曲線數字簽名工具,支援生成金鑰對、對訊息簽名與驗籤,基於 secp256k1 等曲線,純前端實現,適合理解數字簽名機制與介面簽名校驗。
ECDSA Signature / Verify - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📚
Emacs 命令速查
Emacs Command Quick Reference
Emacs 編輯器命令速查:C-x/M-x 字首、移動、編輯、搜尋、視窗、緩衝區。
Emacs Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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Email 規範化
Email Normalization
清洗郵箱地址:去空格、轉小寫,並智慧處理 Gmail 的點號與 + 標籤(Gmail 忽略點號與 + 字尾),避免重複註冊與格式錯誤。
Email Normalization - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
😊
Emoji 選擇器
Emoji Picker
Emoji 選擇器
Emoji Picker - Search emojis by keyword (Chinese or English), filter and click to copy. Built-in dataset, free, browser-only.
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Emoji 含義查詢
Emoji Meaning
按分類瀏覽 Emoji,檢視名稱、Unicode 碼點和關鍵詞。點選卡片複製 Emoji。
Emoji Meaning - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Emoji 速查表
Emoji Cheatsheet
Emoji 速查表收錄常用表情符號、含義、Unicode 碼點與分類,支援關鍵詞搜尋與一鍵複製,方便在社交媒體、文件與程式碼中快速選用合適表情。
Emoji Cheatsheet - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📚
Git 命令速查
Git Command Quick Reference
完整 Git 命令參考,包含命令、描述、引數和示例。點選示例右上角按鈕可一鍵複製。
Git Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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Go 字串轉義
Go String Escape
支援字串與 rune 轉義,含 \\a \\b \\f \\n \\r \\t \\v \\\\ \\' \\" \\xXX \\uXXXX \\UXXXXXXXX。
Go String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📚
Go 速查
Go Quick Reference
Go 速查:包、型別、函式、struct、介面、錯誤、goroutine、channel、context、模組。
Go Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🔧
GraphQL 格式化
GraphQL Format
◈ GraphQL 格式化
GraphQL Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
🔐
HMAC 生成器
HMAC Generator
支援 HMAC-SHA1 / SHA256 / SHA384 / SHA512。
HMAC Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
🔧
HTML 壓縮器
HTML Compressor
移除註釋、多餘空白與換行,保留 pre/textarea/script/style 內容。
HTML Compressor - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🔐
HTML 實體完整編解碼
HTML Entities Encode
輸入文本,在命名實體、十進位制與十六進位制三種模式間編碼為 HTML 實體,或反向解碼還原,適合防 XSS 轉義、郵件模板與網頁內容安全處理。
HTML Entities Encode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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HTML 實體轉義
HTML Escape
HTML 實體轉義工具將 <、>、&、" 等特殊字元轉義為安全實體,防止 XSS 與渲染錯誤,支援反轉義,適合在網頁中安全嵌入使用者輸入或程式碼片段。
HTML Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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HTML 實體速查
HTML Entities
提供完整 HTML 實體速查表,點選卡片即可複製實體名與對應字元,也可輸入文本自動轉換為實體編碼(保留普通 ASCII),便於網頁特殊符號書寫。
HTML Entities - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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HTML 巢狀檢查器
HTML Nesting Checker
檢查 HTML 標籤巢狀是否合法:未閉合標籤、錯誤巢狀、隱式閉合,報告問題行號與修復建議。
HTML Nesting Checker - check and validate online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develo...
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HTML 標籤速查
HTML Label Quick Reference
一份完整的 HTML5 標籤速查表,按用途分類列出語義化、表單、媒體等標籤,點選任意標籤即可展開檢視屬性、取值與示例說明,適合前端開發快速查閱。
HTML Label Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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HTML 轉 Markdown
HTML to Markdown
HTML 轉 Markdown
HTML to Markdown - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
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HTML實體編解碼
HTML Entity Encoder
輸入文本,將 <、>、&、引號等特殊字元編碼為命名或數字 HTML 實體,或反向解碼,用於避免頁面解析錯誤與指令碼注入,適合前端內容轉義處理。
HTML Entity Encoder - encode and decode online, free and secure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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HTTP Cookie 速查
HTTP Cookie Quick Reference
Cookie 屬性(SameSite、Secure、HttpOnly、Partitioned 等)和 JS 操作方法。
HTTP Cookie Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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HTTP 方法速查
HTTP Methods Reference
HTTP 方法速查
HTTP Methods Reference - See GET/POST/PUT/PATCH/DELETE semantics, safe and idempotent flags, and typical uses. Free, browser-only.
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HTTP 響應頭速查
HTTP Response Headers
常用 HTTP 響應頭速查表,涵蓋 CORS、安全、快取、內容等分類。
HTTP Response Headers - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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HTTP 方法速查
HTTP Method Quick Reference
HTTP 方法(GET/POST/PUT/DELETE/PATCH/OPTIONS/HEAD 等)及 WebDAV 擴充套件方法速查。
HTTP Method Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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HTTP 狀態碼速查
HTTP Status
HTTP 狀態碼速查表彙總 1xx~5xx 全部標準狀態碼含義、適用場景與常見原因,支援關鍵詞搜尋,幫助開發者快速定位介面異常與排查網路問題。
HTTP Status - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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HTTP 快取策略速查
HTTP Cache Strategy Quick Reference
HTTP 快取控制速查:Cache-Control、ETag、Last-Modified 等指令詳解。
HTTP Cache Strategy Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develo...
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HTTP 請求頭速查
HTTP Headers
常用 HTTP 請求頭速查表,包含語法、引數和示例。支援按分類篩選和關鍵詞搜尋。
HTTP Headers - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Hash ID 生成器(Hashids 演算法)
Hash ID Generator
Hashids 演算法生成器將數字 ID 編碼為帶鹽值的短字串,可逆且不暴露真實序號,支援自定義字母表與最小長度,適合對外暴露 URL 或資源 ID 時隱藏序號。
Hash ID Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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雜湊演算法識別
Hash Identifier
雜湊演算法識別
Hash Identifier - Guess the algorithm (MD5/SHA1/SHA256/SHA512/BCrypt) from a hash length, charset and known prefix. Free, browser-only.
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Hill 密碼 (2x2 矩陣)
Hill Password
輸入 2×2 金鑰矩陣與明文,按 C = K·P mod 26 做矩陣加密(或逆矩陣解密),演示多表代換與線性代數在古典密碼中的應用,需校驗矩陣模 26 可逆。
Hill Password - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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INI 解析器
INI Parser
INI 配置解析與編輯:支援 [section]、key=value、註釋、行內空格。可雙向轉換 INI ↔ JSON。
INI Parser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT D...
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IP 子網計算器
IP Subnet Calculator
IP 子網計算器支援 IPv4 地址與掩碼解析,自動劃分網路位與主機位,輸出網路地址、廣播地址、可用主機範圍與 CIDR,適合網路規劃與子網劃分。
IP Subnet Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
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IPv4 範圍展開器
IPv4 Range Expander
IPv4 範圍展開器
IPv4 Range Expander - Expand a CIDR into network, broadcast, usable host count and range. Free, browser-only.
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IPv6 地址轉換器
IPv6 Address Converter
IPv6 地址轉換器
IPv6 Address Converter - Switch between compressed (::) and full 8-group IPv6 forms. Free, browser-only.
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IPv6 ULA 生成器
IPv6 ULA Generator
IPv6 ULA 生成器
IPv6 ULA Generator - Generate IPv6 Unique Local Address (fd00::/8) prefixes and sample addresses with random global IDs. Free, browser-only.
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ITF-14 條形碼(交叉 25)
ITF Barcode
輸入 13–14 位數字,生成 ITF-14(交叉二五碼)一維條形碼,常用於紙箱與外箱物流包裝標識,可調整條形比例並匯出供列印測試。
ITF Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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圖片轉 Base64
Image to Base64
圖片轉 Base64
Image to Base64 - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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JS 壓縮器
JS Minifier
JS 壓縮器
JS Minifier - Remove comments and extra whitespace from JavaScript for a quick size reduction, without renaming variables. Free, browser-only.
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JSON / TSV 轉換器
JSON TSV Converter
JSON 與 TSV(Tab 分隔值)雙向轉換,支援格式化輸出、資料預覽、歷史記錄。
JSON TSV Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT ...
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JSON Diff 深度對比
JSON Diff Compare
逐行對比兩個 JSON 資料,高亮顯示新增、刪除、修改的欄位,支援陣列智慧對比
JSON Diff Compare - compare online, free and clear. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developmen...
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JSON 修復器
JSON Repairer
JSON 修復器
JSON Repairer - Fix broken JSON (trailing commas, single quotes, comments) and validate it locally. Free, browser-only.
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JSON Schema 生成器
JSON Schema Generator
根據 JSON 資料自動生成 JSON Schema,支援型別推斷、必填欄位、陣列項推斷、多版本輸出
JSON Schema Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th...
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JSON Schema 驗證器
JSON Schema Check
使用 JSON Schema 校驗 JSON 資料,支援 Draft-07 常用關鍵字(type、required、properties、items、enum、數值範圍、字串長度、正則、陣列唯一性等…
JSON Schema Check - check and validate online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developme...
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JSON 壓縮/格式化
JSON Compress / Format
線上 JSON 壓縮與格式化工具,去除多餘空白壓縮體積或重新美化縮排,校驗語法並高亮結構,便於介面資料傳輸與審閱,純前端。
JSON Compress / Format - obfuscate and minify online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
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JSON 格式化 / 美化 / 壓縮
JSON Format
線上 JSON 格式化工具,解析文本後按層級美化縮排或壓縮去空白,校驗語法錯誤並定位行列,支援高亮與摺疊,便於 API 除錯,純前端。
Format, validate and minify JSON with syntax highlighting and tree view. Find errors by line and column, sort keys, all instantly—free, browser-only, no upload.
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JSON 轉 CSV
JSON to CSV
把 JSON 陣列一鍵轉為 CSV 表格:自動提取所有欄位為表頭,支援巢狀物件序列化、下載 .csv 檔案。
JSON to CSV - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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JSON 轉 TOML
JSON to TOML
將 JSON 轉換為 TOML 格式,支援頂級鍵值對、巢狀表、陣列、數字、布林和 ISO 日期字串。
JSON to TOML - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develo...
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JSON 轉 XML
JSON to XML
將 JSON 轉換為 XML,支援物件、陣列、巢狀結構,可自定義根節點名。
JSON to XML - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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JSON 轉 YAML
JSON to YAML
將 JSON 轉換為 YAML 1.2 子集格式,支援巢狀物件、陣列、字串、數字、布林和 null。
JSON to YAML - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develo...
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JSON 轉程式碼
JSON to Code
JSON 轉程式碼工具將 JSON 示例一鍵轉換為 TypeScript、Go、C#、Java、Kotlin、Rust、Python、Proto 等多種語言的資料結構定義,支援只讀與匯出,方便介面對接。
JSON to Code - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develo...
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JSONPath 查詢器
JSONPath Query
使用 JSONPath 表示式從 JSON 資料中查詢和提取資料,支援遞迴查詢、切片、過濾等高階語法
JSONPath Query - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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JSON路徑提取器
JSON Path Extractor
使用點號路徑(如 user.name)從 JSON 中提取欄位,支援陣列下標。
Extract values from JSON by dot-path (e.g. user.name). Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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JS程式碼混淆器
Js Obfuscator
🔒 JS程式碼混淆器
Js Obfuscator - obfuscate and minify online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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JWT 解析
JWT Parser
貼上 JWT 即解析表頭、載荷與簽名三部分並解碼宣告,校驗結構(不驗證金鑰),用於除錯令牌與檢視許可權宣告,純前端。
JWT Parser - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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JWT 偵錯程式
JWT Debugger
解碼、驗證和除錯JSON Web Token,支援解析Header/Payload/Signature,檢查過期時間
JWT Debugger - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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JWT解碼器
JWT Decoder
在瀏覽器端安全解碼 JWT 的 Header 與 Payload,無需上傳令牌。
Decode JWT header and payload in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Java 字串轉義
Java String Escape
支援 \b \t \n \f \r \" \' \\ \uXXXX \0-377。
Java String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Java 速查
Java Quick Reference
Java 速查:型別、集合、Stream、物件導向、泛型、異常、IO、日期。
Java Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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JavaScript 字串轉義
JavaScript String Escape
對字串做 JS 轉義(處理引號、換行、反斜槓與 Unicode),也可反向還原,便於安全拼接到程式碼,純前端即時轉換。
JavaScript String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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JavaScript 格式化
JavaScript Format
JavaScript 程式碼格式化:基於詞法分析規範化縮排、保留字串與註釋、支援箭頭函式與解構。
JavaScript Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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JavaScript 簡化器
JavaScript Minify Device
移除 JavaScript 中的註釋與多餘空白、簡化布林與數字字面量(保護字串),基於詞法分析實現輕量級程式碼壓縮。
JavaScript Minify Device - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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KSUID 生成器(K-Sortable Unique ID)
KSUID Generator
KSUID 生成器生成按時間可排序的全域性唯一 ID,含 32 位時間戳與隨機負載,適合分散式系統中需要按生成時間排序的資料庫主鍵與日誌追蹤。
KSUID Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT D...
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Kubernetes YAML 生成器
Kubernetes YAML Generator
Kubernetes YAML 生成器
Kubernetes YAML Generator - Enter name, image, port and replicas to produce a Deployment plus Service manifest. Free, browser-only.
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Kubernetes 命令速查
Kubernetes Command Quick Reference
Kubernetes kubectl 命令速查:查詢/部署/擴縮容/除錯/YAML 示例。
Kubernetes Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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LaTeX 符號與命令速查
LaTeX Symbol & Command Cheat Sheet
LaTeX 符號與命令速查
LaTeX Symbol & Command Cheat Sheet - Search common LaTeX math symbols and commands, see the notation and click to copy. Free, browser-only.
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Less 轉 CSS 編譯器
Less Compiler
線上 Less 轉 CSS 編譯器,基於 less.js 將 Less 預處理程式碼即時編譯為標準 CSS,支援變數、巢狀、混合與函式,便於前端開發除錯,純前端。
Less Compiler - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the I...
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↩️ 換行符轉換器
Line Ending Converter
↩️ 換行符轉換器
Line Ending Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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Linux 命令速查
Linux Command Quick Reference
Linux 命令速查:檔案、文本、程序、網路、使用者、磁碟、壓縮、包管理、服務、定時任務,80+ 命令。
Linux Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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Lorem Ipsum 生成器
Lorem Generator
Lorem Ipsum 是印刷和排版行業的標準佔位文本。自16世紀以來一直使用,讓設計者可以專注於版面而無需被內容干擾。
Lorem Generator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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MAC 地址生成器
MAC Address Generator
MAC 地址生成器
MAC Address Generator - Generate random MAC addresses in bulk, with optional vendor OUI prefix. Copy results instantly. Free, browser-only.
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MAC 地址廠商查詢
MAC Lookup
MAC 地址廠商查詢工具根據 OUI 字首識別網絡卡製造廠商,支援格式化輸入與校驗,適合網路運維排查裝置來源、資產盤點與區域網管理。
MAC Lookup - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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MD5 雜湊計算器
MD5 Encrypt
#️⃣ MD5 雜湊計算器
MD5 Encrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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MIME 型別速查
MIME Type Lookup
MIME 型別速查
MIME Type Lookup - Map a file extension to its MIME type (e.g. json to application/json) or reverse. Free, browser-only.
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MIME 型別速查表
MIME Type Quick Reference
MIME 型別速查表彙總常見副檔名與 Content-Type 對應關係,支援按副檔名或型別雙向檢索,幫助開發者正確配置響應頭、上傳校驗與介面聯調。
MIME Type Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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MSI 條形碼
MSI Barcode
MSI 條形碼線上生成器,輸入數字生成 MSI Plessey 碼圖,支援校驗位與尺寸調節,可下載 PNG/SVG,適合倉儲與零售標籤,純前端。
MSI Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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MSISDN 查詢
MSISDN Query
MSISDN 查詢工具解析手機號碼的國際格式,提取國家碼、運營商與號碼結構,支援格式校驗,適合簡訊閘道器、國際通訊與號碼歸一化處理。
MSISDN Query - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Markdown 檢查器
Markdown Linter
Markdown 檢查器
Markdown Linter - Check heading levels, list formatting, link syntax and duplicate headings, with fix suggestions. Free, browser-only.
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Markdown 表格生成器
Markdown Table Generator
Markdown 表格生成器
Markdown Table Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of...
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Markdown 轉 HTML
Markdown to HTML
Markdown 轉 HTML 工具按 CommonMark 規範即時將 Markdown 解析為帶語義標籤的 HTML,支援標題、列表、表格、程式碼塊等,適合寫部落格、文件與靜態站點生成。
Markdown to HTML - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
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Markdown編輯器
MarkdownEditor
一個純前端的 Markdown 編輯器,輸入文本後即時渲染為預覽,支援標題、列表、程式碼塊等常用語法,並能將草稿自動儲存到本地,重新整理頁面也不丟失。
MarkdownEditor - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Meta 標籤生成器
Meta Tags Generator
Meta 標籤生成器
Meta Tags Generator - Generate SEO and social share (Open Graph / Twitter Card) meta tags from title, description, URL and image. Free, browser-only.
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MongoDB 命令速查
MongoDB Command Quick Reference
MongoDB 常用命令速查,涵蓋 CRUD、聚合管道、運算子、索引與備份恢復,純前端查閱,方便開發者隨時參考。
MongoDB Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developmen...
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MySQL 命令速查
MySQL Command Quick Reference
MySQL 命令速查:客戶端、資料型別、約束、函式、JSON、備份、最佳化。
MySQL Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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NanoID 生成器
NanoID Generator
按指定長度與字元集在前端生成 URL 友好的 NanoID 短識別符號,可用於資料庫主鍵、短鏈或臨時令牌,全部隨機過程在瀏覽器本地完成,資料不上傳。
NanoID Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT ...
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Nginx 配置生成器
Nginx Config Generator
Nginx 配置生成器
Nginx Config Generator - Pick static site or reverse proxy and fill params to emit a server block config. Free, browser-only.
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Nginx 配置速查
Nginx Config Quick Reference
Nginx 配置速查:server/location/代理/負載均衡/HTTPS/快取/限流。
Nginx Config Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development t...
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Numeronym 數字縮寫
Numeronym Numeronym
把單詞轉換為數字縮寫(首字母+中間字元數+尾字母):internationalization → i18n、accessibility → a11y,批次轉換整段文本。
Numeronym Numeronym - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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OG 元標籤生成器
OG Meta Tag Generator
視覺化生成 Open Graph + Twitter Card 全套 meta 標籤:標題/描述/圖片/URL/型別/站點名,一鍵複製 HTML,提升社交分享效果。
OG Meta Tag Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th...
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OTP 生成器(HOTP/TOTP 簡化版)
OTP Generator
⏱️ OTP 生成器(HOTP/TOTP 簡化版)
OTP Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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PBKDF2 金鑰派生
PBKDF2 Key Derivation
PBKDF2 金鑰派生工具基於口令與鹽值多次雜湊生成高強度金鑰,支援選擇雜湊演算法與迭代次數,適合為密碼儲存、加密與認證系統派生安全金鑰。
PBKDF2 Key Derivation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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PDF 簽名檢查
PDF Signature Check
檢查 PDF 檔案是否包含數字簽名:解析 PDF 內部的 ByteRange 與 Contents 引用,識別簽名存在性(不做密碼學驗證),純本地解析不上傳。
PDF Signature Check - check and validate online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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PHP 字串轉義
PHP String Escape
支援單引號模式(僅轉義 \\ 和 \')與雙引號模式(含 \n \r \t \xXX \uXXXX 等)。
PHP String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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PHP 速查
PHP Quick Reference
PHP 速查:型別、陣列、字串、函式、類、trait、異常、PDO、Composer。
PHP Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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PIN 碼生成器
Pin Generator
PIN 碼生成器可批次生成指定長度的數字口令,支援不重複模式與自定義位數,適合驗證碼、支付密碼與裝置啟用碼等場景,純前端隨機生成。
Pin Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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電話號碼解析與格式化
Phone Number Parser & Formatter
電話號碼解析與格式化
Phone Number Parser & Formatter - Enter any phone number and get E.164 and grouped national/international formats by country. Free, browser-only.
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手機螢幕尺寸速查
Phone Screen Sizes
手機螢幕尺寸速查
Phone Screen Sizes - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Plist 解析器
Plist Parser
Apple plist XML 解析:將 plist 轉換為 JSON,支援 dict/array/string/integer/real/boolean/date/data。
Plist Parser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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PostgreSQL 命令速查
PostgreSQL Command Quick Reference
PostgreSQL 命令速查:psql、JSONB、陣列、CTE、視窗函式、擴充套件。
PostgreSQL Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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質數檢測器
Prime Number Checker
質數檢測器
Prime Number Checker - Test if a number is prime and factor composites locally. Free, browser-only. Free online tool on ToolBox — 100% client-side, no data...
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Protobuf 解析器
Protobuf Parser
༐ Protobuf 解析器
Protobuf Parser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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Punycode 編解碼
Punycode Encode/Decode
國際化域名 IDN 的編碼方案 (RFC 3492),含 ACE 字首 xn--。
Punycode Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Python 字串轉義
Python String Escape
支援 normal / raw 雙模式,\\n \\t \\r \\\\ \\' \\\" \\xXX \\uXXXX \\ooo。
Python String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Python 格式化
Python Format
Python 程式碼格式化:基於冒號塊規則規範化縮排、統一空格、摺疊多餘空行。
Python Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developm...
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Python 速查
Python Quick Reference
Python 語法速查,涵蓋型別、資料結構、函式、物件導向、非同步與標準庫常用用法,純前端查閱,方便日常編碼參考。
Python Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Quoted-Printable 編解碼
Quoted-Printable Encode/Decode
RFC 2045,非 ASCII 位元組用 =XX 轉義,行末用 = 表示軟換行。
Quoted-Printable Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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RC4 / ARC4 加密解密
RC4 Encrypt Decrypt
RC4/ARC4 線上加密解密工具,前端本地用金鑰對文本執行對稱流加解密,支援十六進位制與 Base64 輸出,資料不上傳伺服器,純前端。
RC4 Encrypt Decrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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REST API 設計速查
REST API Design Quick Reference
REST API 設計規範:HTTP 動詞、URI 設計、狀態碼、查詢引數、錯誤格式。
REST API Design Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developmen...
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ROT 全套
ROT Cipher
ROT1-ROT25 字母移位,含 ROT13 / ROT47 / ROT5 / ROT18。
ROT Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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RSA 加密解密 / 簽名驗證
RSA Encrypt Decrypt / Signature Verify
RSA 加密解密與簽名驗證工具支援生成金鑰對、公鑰加密私鑰解密及訊息簽名驗籤,純前端實現,適合理解非對稱加密機制與介面安全校驗。
RSA Encrypt Decrypt / Signature Verify - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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Rabbit 流加密
Rabbit Stream Cipher
Rabbit 流加密線上工具,在前端本地用金鑰對文本執行 Rabbit 對稱流加密與解密,支援十六進位制與 Base64 輸出,資料不上傳伺服器。
Rabbit Stream Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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隨機字串生成器
Random String Generator
隨機字串生成器
Random String Generator - Generate secure random strings with custom length and character sets (upper/lower/digit/symbol), batch output and one-click copy. U...
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Redis 命令速查
Redis Command Quick Reference
Redis 命令速查:String/List/Hash/Set/ZSet/Stream/事務/釋出訂閱。
Redis Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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常用正規表示式速查
Regex Common
常用正規表示式速查
Regex Common - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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富文本編輯器
Rich Text Editor
富文本編輯器
Rich Text Editor - Compose and format text with headings, lists, bold, italic and links, with live HTML preview and one-click copy. Runs in your browser.
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Robots.txt 生成器
Robots.txt Generator
Robots.txt 生成器
Robots.txt Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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羅馬數字轉換器
Roman Numeral Converter
羅馬數字轉換器
Roman Numeral Converter - Convert between Arabic numbers (1-3999) and Roman numerals with a live lookup table. Free, browser-only.
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Ruby 速查
Ruby Quick Reference
Ruby 速查:型別、字串、陣列、雜湊、塊、Lambda、類、模組、迭代器、Gem。
Ruby Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Rust 字串轉義
Rust String Escape
支援字串 "..."、字元 '...'、位元組字串 b"..."、原始字串 r"..."。
Rust String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Rust 速查
Rust Quick Reference
Rust 速查:所有權、借用、生命週期、型別、trait、錯誤、迭代器、Cargo。
Rust Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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SHA 雜湊計算器
SHA Encrypt
支援 SHA-1 / SHA-256 / SHA-384 / SHA-512 安全雜湊演算法,使用瀏覽器內建 Web Crypto API 計算,本地處理不上傳。
SHA Encrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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SMS 二維碼
SMS QR Code
SMS 簡訊二維碼線上生成器,輸入收件號碼與預置簡訊內容,生成可掃碼直接傳送簡訊的二維碼,支援尺寸與容錯調節,純前端。
SMS QR Code - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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SQL 字串轉義
SQL String Escape
支援 MySQL / PostgreSQL / SQLServer 多方言。
SQL String Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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SQL 格式化/美化
SQL Format
支援MySQL、PostgreSQL、SQL Server、SQLite等多種SQL方言格式化美化
SQL Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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SQL 語法速查
SQL Grammar Quick Reference
SQL 語法速查:SELECT/INSERT/UPDATE/DELETE/JOIN/子查詢/事務/視窗函式。
SQL Grammar Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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SQLite 命令速查
SQLite Command Quick Reference
SQLite 命令速查:CLI、PRAGMA、FTS5、JSON1、WAL 模式。
SQLite Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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SQLite 線上執行
SQLite Runner
SQLite 線上執行工具基於 sql.js 在瀏覽器記憶體中執行完整 SQLite 引擎,支援編寫並執行多條 SQL、檢視結果表,無需安裝與聯網,適合學習 SQL 與原型驗證。
SQLite Runner - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the I...
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SSL/TLS 知識速查
Ssl Info
純前端靜態工具,用於查詢 SSL/TLS 相關知識。瀏覽器無法直接讀取遠端證書,如需檢視具體網站證書,請使用瀏覽器位址列的鎖圖示或 openssl s_client 命令。
Ssl Info - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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SVG 佔位圖生成器
SVG Placeholder Image Generator
線上生成 SVG 佔位圖:自定義寬高、文字、背景色與文字色,即時預覽,可複製 SVG 程式碼或下載 .svg 檔案,適合原型與文件。
SVG Placeholder Image Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. ...
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SafeLink 解碼
SafeLink Decoder
SafeLink 解碼
SafeLink Decoder - Reveal the real destination behind obfuscated or tracked URLs and strip tracking parameters safely before you click. Runs locally.
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Shell 指令碼格式化
Shell Script Format
⌥ Shell 指令碼格式化
Shell Script Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
🗺️
Sitemap 生成器
Sitemap Generator
Sitemap 生成器
Sitemap Generator - Paste one URL per line to build a standard sitemap.xml with lastmod for search engines. Free, browser-only.
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TOML 轉 JSON 轉換器
TOML to JSON Converter
TOML 轉 JSON 轉換器
TOML to JSON Converter - Paste TOML text and convert it to formatted JSON, including [section] and [[array of tables]]. Free, browser-only.
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TOML 轉 XML 轉換器
TOML to XML Converter
TOML 轉 XML 轉換器
TOML to XML Converter - Paste TOML and convert it to XML (@key as attribute). Free, browser-only. Free online tool on ToolBox — 100% client-side, no data u...
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TOML 轉 YAML 轉換器
TOML to YAML Converter
TOML 轉 YAML 轉換器
TOML to YAML Converter - Paste TOML text and convert it to YAML, including [section] and [[array of tables]]. Free, browser-only.
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TOML 格式化/轉JSON
TOML Format
TOML配置檔案格式化、驗證、與JSON互轉,支援Rust/Cargo/Python等配置格式
TOML Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developmen...
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文本空白清理工具
Text Whitespace Cleaner
文本空白清理工具
Text Whitespace Cleaner - Trim line ends, remove blank lines, collapse spaces and normalize trailing newline. Pure client-side.
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文本轉 ASCII 碼 / 二進位制
Text to ASCII Converter
文本轉 ASCII 碼 / 二進位制
Text to ASCII Converter - Show decimal, hex and 8-bit binary for each character. Free, instant, browser-only.
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文本轉 Unicode 碼點
Text to Unicode Codepoint
文本轉 Unicode 碼點
Text to Unicode Codepoint - Show the U+ codepoint and UTF-16 escape for every character including CJK and emoji. Free, instant, browser-only.
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TinyURL 模擬器
TinyURL Simulator
本工具模擬 TinyURL 服務生成短碼(不會建立真實可訪問的連結,僅供演示)。
TinyURL Simulator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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三角形計算器
Triangle Calculator
三角形計算器
Triangle Calculator - Compute perimeter, area (Heron) and angles from three sides, with type detection. Free, browser-only.
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TypeScript 轉 JavaScript 編譯器
TypeScript Compiler
基於官方 TypeScript 5.3 編譯器,將 TypeScript 程式碼即時編譯為 JavaScript。支援選擇目標版本、模組系統,並顯示編譯診斷資訊。所有編譯在瀏覽器本地完成,程式碼不會上傳。
TypeScript Compiler - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of...
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TypeScript 速查
TypeScript Quick Reference
TypeScript 速查:型別、介面、泛型、工具型別、類、裝飾器、tsconfig。
TypeScript Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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ULID 生成器
ULID Generator
ULID 生成器生成按字典序可排序的 26 位唯一識別符號,含時間戳與隨機部分,比 UUID 更適合按時間排序的資料庫主鍵與日誌追蹤。
ULID Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
🎲
UPC-A 條形碼
UPC Barcode
輸入 11–12 位數字,按 UPC-A 規範生成北美商品條形碼並自動計算校驗位,可匯出圖片,適合跨境電商或零售商品上架前的條碼預覽。
UPC Barcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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URL 引數解析器
URL Parameter Parser
URL 引數解析器
URL Parameter Parser - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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URL Slug 生成器
URL Slug Generator
URL Slug 生成器將文章標題或任意文本轉為小寫連字元分隔的 URL 片段,去除特殊字元與空格,支援中英文處理,適合部落格、電商與 CMS 的永久連結生成。
URL Slug Generator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🎲
URL 二維碼
URL QR Code
將網址生成為可掃描的二維碼圖片,可調尺寸與容錯,便於分享連結,純前端生成不上傳任何資料。
URL QR Code - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🔗
URL 工具集
URL Encode Decode
對 URL 或引數做百分號編解碼,處理中文與特殊字元,用於介面除錯與連結拼接,純前端處理文本不上傳伺服器。
URL Encode Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🔐
URL 高階編解碼
URL Advanced Encode/Decode
支援 URI / Component / Form / Query 多種模式。
URL Advanced Encode/Decode - encode and decode online, free and secure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part ...
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URL解析器
URLParser
輸入一個 URL 即自動拆解出協議、域名、路徑、錨點與查詢引數,引數以視覺化列表呈現並支援編輯增刪,最後一鍵重新拼裝為標準 URL,便於除錯連結。
URLParser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
🔗
USB 版本速查
USB Version Reference
USB 各版本(含 USB4)的傳輸速率、介面形態與供電能力對照速查,幫助快速比較不同 USB 標準的效能差異。
Compare USB 2.0-4.0 speeds, connectors, and power delivery, with compatibility notes. Free online tool on ToolBox — 100% client-side, no data uploaded, no ...
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UUID v4 生成器
UUID v4 Generator
UUID v4 生成器基於隨機數生成 128 位唯一標識,符合 RFC 4122 標準,純前端隨機生成,適合作為資料庫主鍵、會話標識與資源 ID。
UUID v4 Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
🎲
UUID v5 生成器(SHA-1 名稱空間)
UUID v5 Generator
UUID v5 生成器基於名稱空間與 SHA-1 對名稱派生確定性的 UUID,相同輸入始終得到相同輸出,適合需要穩定、可復現的資源標識與去重。
UUID v5 Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
🎲
UUID v7 生成器
UUID v7 Generator
RFC 9562,時間戳排序的 UUID,前 48 位為毫秒級 Unix 時間。
UUID v7 Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
🆔
UUID 生成器
UUID Generator
UUID 生成器線上批次生成符合 RFC 4122 的全域性唯一識別符號,支援版本展示與複製,適合資料庫主鍵、追蹤 ID 與分散式系統去重。
Generate RFC-4122 UUIDs (v1, v4, v5), parse and inspect version and variant. Batch up to 1000, choose uppercase or no dashes—client-side, no data uploaded.
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UUencode 編碼 / 解碼
UUencode Encode/Decode
Unix-to-Unix 編碼,每 3 位元組 → 4 字元,字元空間 32-95。
UUencode Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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Unicode 字元查詢
Unicode Query
Unicode 字元查詢工具按碼點或字元檢索 Unicode 資訊,展示名稱、類別、UTF-8/UTF-16 編碼與所屬區塊,支援複製,適合處理特殊字元與編碼排障。
Unicode Query - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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User-Agent 解析器
User-Agent Parser
User-Agent 解析器拆解瀏覽器 UA 字串,識別瀏覽器、引擎、作業系統與裝置型別,提供示例一鍵載入,適合後端日誌分析、爬蟲識別與相容性判斷。
User-Agent Parser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of t...
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影片位元速率計算器
Video Bitrate Calculator
影片位元速率計算器
Estimate video file size from resolution, frame rate, duration, and bitrate, with recommended bitrates per resolution.
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Vim 命令速查
Vim Command Quick Reference
Vim 編輯器命令速查,包括模式切換、移動、編輯、搜尋替換、視窗管理與暫存器操作,純前端執行,便於隨時查閱。
Vim Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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WiFi 配網二維碼生成器
WiFi QR Code Generator
WiFi 配網二維碼生成器
Generate a standard WIFI: provisioning string from your SSID, password and encryption type so phones can join the network by scanning. Runs locally in your b...
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WiFi 二維碼
WiFi QR Code
WiFi 二維碼工具將 SSID、加密方式與密碼編碼為可掃描二維碼,手機掃碼即可免輸密碼聯網,支援 WPA/WEP/無加密,適合訪客網路分享與活動物料。
WiFi QR Code - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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XML 校驗器
XML Validator
XML 校驗器
XML Validator - Check XML for well-formedness: tag pairing, quoted attributes and illegal characters, with error location. Free, browser-only.
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XML 轉 TOML 轉換器
XML to TOML Converter
XML 轉 TOML 轉換器
XML to TOML Converter - Paste XML and convert it to TOML (attributes as @key). Free, browser-only. Free online tool on ToolBox — 100% client-side, no data ...
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XML 轉 YAML 轉換器
XML to YAML Converter
XML 轉 YAML 轉換器
XML to YAML Converter - Paste XML and convert it to YAML (attributes as @key, text as #text). Free, browser-only.
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XML 格式化
XML Format
XML 格式化與壓縮,支援屬性、CDATA、註釋、名稱空間。可自定義縮排。
XML Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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XML 轉 JSON
XML to JSON
將 XML 轉換為 JSON,元素為物件、屬性加 @ 字首、文本內容為 #text。
XML to JSON - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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XOR 加密 / 解密
XOR Encrypt Decrypt
用指定的金鑰對文本做按位異或(XOR)處理,金鑰逐位元組迴圈複用,同一操作既可加密也可解密,適合理解對稱流加密原理或進行簡單字串混淆。
XOR Encrypt Decrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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XXTEA 加密解密
XXTEA Encrypt Decrypt
XXTEA 線上加密解密工具,前端本地用金鑰對文本執行分組對稱加解密,較 TEA 更安全,支援編碼輸出,資料不上傳,純前端。
XXTEA Encrypt Decrypt - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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XXencode 編碼 / 解碼
XXencode Encode/Decode
類似 UUencode,但使用 +-/0-9A-Za-z 字元集,可避免特殊字元問題。
XXencode Encode/Decode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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YAML 轉 JSON 轉換器
YAML to JSON Converter
YAML 轉 JSON 轉換器
YAML to JSON Converter - Paste YAML text and convert it to formatted JSON with nested maps and lists. Free, browser-only.
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YAML 轉 TOML 轉換器
YAML to TOML Converter
YAML 轉 TOML 轉換器
YAML to TOML Converter - Paste YAML text and convert it to TOML with nested tables, arrays and common scalars. Free, browser-only.
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YAML 轉 XML 轉換器
YAML to XML Converter
YAML 轉 XML 轉換器
YAML to XML Converter - Paste YAML and convert it to XML (@key as attribute, #text as element text). Free, browser-only.
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YAML 格式化/驗證/轉JSON
YAML Format
線上YAML格式化工具,支援語法驗證、美化壓縮、YAML與JSON互相轉換,純前端本地處理
YAML Format - format text online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developmen...
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YAML 語法驗證器
YAML Grammar Verifier
線上校驗 YAML 語法、定位錯誤行列、統計文件結構,並一鍵轉換為格式化 JSON,支援多文件(--- 分隔)。
YAML Grammar Verifier - check and validate online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Devel...
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curl 命令解析器
curl Command Parser
curl 命令解析器
curl Command Parser - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of...
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tmux 命令速查
tmux Command Quick Reference
一份 tmux 終端複用器的命令速查表,彙總會話、視窗、窗格切換、複製模式與常用配置快捷鍵,按場景分組排列,方便在終端操作中快速檢索記憶。
tmux Command Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development t...
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二維碼生成器
Qrcode
二維碼生成器將文本、網址、名片等資訊即時編碼為可掃描的 QR 碼,支援自定義尺寸與容錯等級,純前端生成,適合分享連結、WiFi 與活動物料。
Qrcode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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二維碼美化生成器
QR Code Beautify Generator
生成個性化彩色二維碼:自定義前景/背景色、容錯級別與模組圓角樣式,即時預覽並下載 PNG,適合名片、海報與品牌物料。
QR Code Beautify Generator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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二維碼解碼(手動輸入解析)
QR Code Decode
本工具用於解析已知二維碼文本內容的格式與含義(不支援從圖片識別)。貼上掃描得到的內容即可自動識別型別。
QR Code Decode - encode and decode online, free and secure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT De...
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二進位制字串編解碼
Binary Encode
將輸入文本按 UTF-8 編碼為每個字元 8 位二進位制串,或將二進位制字串還原為原文,支援檢視位元組流,適合理解字元編碼與做二進位制資料轉換練習。
Binary Encode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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二進位制轉文本
Binary to Text
輸入以空格、短橫線或點等分隔的二進位制串,按每 8 位解析為一個 UTF-8 位元組並還原為文本,自動忽略分隔符,便於從網路抓包或編碼作業裡快速還原內容。
Binary to Text - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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二項分佈計算器
Binomial Distribution
二項分佈線上計算器,輸入試驗次數 n、成功機率 p 與成功次數 k,計算恰好 k 次及累積機率,用於質量與統計推斷,純前端執行。
Binomial Distribution - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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程式碼語法高亮
Code Syntax Highlighting
🎨 程式碼語法高亮
Code Syntax Highlighting - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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任意進位制轉換器
Integer Base Converter
支援 2-36 進位制任意互轉與超大整數(BigInt):輸入數字與源進位制,即時得到目標進位制結果,附二進位制/八進位制/十進位制/十六進位制一覽。
Integer Base Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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仿射密碼 (Affine Cipher)
Affine Cipher
輸入金鑰 a、b(a 需與 26 互素),按 C = (a·P + b) mod 26 加密、反函式解密英文字母,並校驗金鑰可逆性,適合學習模運算與單表代換密碼。
Affine Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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優惠券碼生成器
Coupon Code Generator
優惠券碼線上生成器,批次生成促銷碼或折扣碼,支援字首、分組與字元集,用於營銷活動測試,資料本地生成不上傳,純前端。
Coupon Code Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th...
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位置二維碼
Location QR
位置二維碼線上生成器,輸入經緯度或地址生成地理座標二維碼,掃碼可在地圖開啟位置,支援尺寸與容錯調節,純前端執行。
Location QR - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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位運算計算器
Bitwise Calculator
32 位位運算計算器:AND/OR/XOR/NOT/左移/右移,支援十進位制/十六進位制/二進位制輸入,即時視覺化位翻轉。
Bitwise Calculator - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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假資料生成器
Fake Data
假資料線上生成器,批次生成姓名、地址、郵箱、電話等模擬資料,可設欄位與數量,用於開發測試與演示填充,資料本地生成不上傳。
Fake Data - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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八進位制字串編解碼
Octal Encode
把輸入的文本或位元組流按每位元組轉換為 3 位八進位制數(000–377),也可反向將八進位制串還原為原始字串,常用於底層編碼除錯與檔案格式檢視。
Octal Encode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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關鍵詞密度分析器
Keyword Density Analyzer
輸入文本,分析各關鍵詞出現頻率、密度佔比與詞彙豐富度,支援中英文混合分析,適用於 SEO 最佳化與內容質量檢查。
Keyword Density Analyzer - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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關鍵詞提取
Keyword Extract
🏷️ 關鍵詞提取
Keyword Extract - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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凱撒密碼
Caesar Cipher
輸入明文(或密文)與移位金鑰 k,按凱撒密碼 C=(P+k) mod 26 進行加密或解密,演示經典移位密碼的工作原理。
Caesar Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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列表轉換器
List Converter
把逐行列表一鍵轉為各種格式:逗號分隔、JSON 陣列、SQL IN 子句、HTML 列表、引號包裹、豎線分隔、CSV,開發資料處理必備。
List Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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北約音標字母轉換
NATO Phonetic Alphabet Convert
把文本轉換為北約音標字母(Alpha/Bravo/Charlie...),支援正反雙向轉換:字母→音標詞、音標詞→字母,適合無線電通話、電話報號。
NATO Phonetic Alphabet Convert - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development...
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區域設定查詢(Locale)
Locale Lookup
區域設定 Locale 查詢工具解析語言與地區組合程式碼(如 zh-CN),展示語言、書寫指令碼與地區資訊,幫助國際化開發中正確配置本地化引數與格式化規則。
Locale Lookup - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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十六進位制編解碼
Hex Encode
在文本與十六進位制之間編解碼,支援分隔與大小寫,用於除錯位元組流與資料檢視,純前端處理文本不上傳。
Hex Encode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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十六進位制轉文本
Hex to Text
輸入十六進位制串(自動忽略 0x 字首、空白與常見分隔符),每 2 位解析為一個位元組並還原為 UTF-8 文本,適合從記憶體轉儲、網路報文中還原可讀字串。
Hex to Text - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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十進位制 ASCII 碼編解碼
Decimal Encode
將輸入文本的每個位元組轉換為 0–255 的十進位制數字(或反向解碼),便於在協議除錯、教學演示中直觀檢視字元的十進位制編碼表示。
Decimal Encode - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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單樣本 Z 檢驗
Hypothesis Test
單樣本 Z 檢驗計算器用於檢驗樣本均值與已知總體均值是否存在顯著差異,輸入樣本資料、總體標準差與顯著性水平,輸出 Z 值與 p 值,適合假設檢驗入門。
Hypothesis Test - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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向量叉積
Vector Cross Product
輸入兩個三維向量 A 與 B 的分量,計算它們的叉積 A×B,結果向量同時垂直於 A 和 B,常用於幾何與物理計算。
Vector Cross Product - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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向量模長
Vector Magnitude
向量模長線上計算器,輸入向量各分量求歐幾里得長度,支援高維向量,用於幾何與物理運算,即時顯示結果,純前端執行。
Vector Magnitude - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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向量點積
Vector Dot Product
向量點積線上計算器,輸入兩個等長向量的分量,求數量積與夾角餘弦,用於幾何與機器學習特徵運算,即時顯示結果,純前端。
Vector Dot Product - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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雜湊值生成器
Hash Value Generator
在瀏覽器端計算 MD5、SHA-1、SHA-256、SHA-512 雜湊值。
Compute MD5, SHA-1, SHA-256 hashes locally. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
#️⃣
雜湊計算器
Hash Calculator
線上雜湊計算器,對文本或檔案計算 MD5、SHA-1、SHA-256 等多種摘要,支援檔案拖拽與編碼選擇,用於校驗完整性,資料本地計算不上傳。
Hash Calculator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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團隊名生成器
Team Name Generator
團隊名線上生成器,組合行業詞、意象詞與字尾生成獨特團隊或專案名稱,可設風格與長度,一鍵複製,適合創業與活動,純前端。
Team Name Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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國家程式碼與旗幟
Country Flag
國家程式碼與旗幟線上查詢工具,按國家名或 ISO 程式碼檢索國旗 emoji、國際區號與頂級域,適合國際化開發參考,純前端執行。
Country Flag - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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國家程式碼查詢
Country Code Lookup
國家程式碼線上查詢工具,按國家名或 ISO 程式碼檢索國際電話區號、國旗與頂級域,方便國際通訊與開發參考,純前端執行。
Country Code Lookup - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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線上程式碼執行器
Code Runner
▶️ 線上程式碼執行器
Code Runner - run / process online, free and in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT ...
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均勻分佈計算器
Uniform Distribution
均勻分佈線上計算器,輸入區間上下限求機率密度、累積機率與分位數,用於隨機模擬與統計教學,純前端執行。
Uniform Distribution - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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埃特巴什碼 (Atbash Cipher)
Atbash Cipher
A ↔ Z, B ↔ Y, C ↔ X ... 第一個字母對應最後一個字母
Atbash Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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域名生成器
Domain Generator
域名線上生成器,組合關鍵詞、行業詞與字尾建議可用域名創意,適合建站選名與品牌構思,純前端執行。
Domain Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT ...
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培根密碼 (Bacon Cipher)
Bacon Cipher
每個字母編碼為 5 位 a/b(A=aaaaa, B=aaaab...)。
Bacon Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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多格式字元編碼器
Char Encoder
同時顯示 ASCII / Unicode / HTML / URL / Base64 / Hex / Binary / Octal 等多種格式。
Char Encoder - encode and decode online, free and secure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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多演算法雜湊器
Hash Multi
一鍵計算多種雜湊:MD5 / SHA-1 / SHA-256 / SHA-512 / CRC32,支援多演算法同時輸出與大小寫切換。SHA 走瀏覽器原生 crypto.subtle,全程本地。
Hash Multi - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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大小寫轉換器
Case Converter - &# 128296 ; Case Converter
🔨 大小寫轉換器
Case Converter - &# 128296 ; Case Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, ...
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字串混淆器
String Obfuscation Obfuscator
把文本轉為難以閱讀的形式:Unicode 全形、倒序、ROT13、Base64、十六進位制轉義、HTML 實體,一鍵複製,常用於程式碼/指令碼混淆。
String Obfuscation Obfuscator - obfuscate and minify online, free. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th...
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字串長度統計
String Length Counter
貼上文本後統計字元數、UTF-8 位元組數、行數、詞數、空格數與中文字元數,並按編碼顯示佔用,適合文案字數核對、資料庫欄位長度評估與 SEO 字數校驗。
Count characters, bytes, lines, words and spaces. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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密碼強度檢測
Password Strength Detect
本地檢測密碼強度,估算暴力破解時間,所有計算在瀏覽器完成,密碼不上傳。
Password Strength Detect - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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密碼生成器(IT)
Password Generator ( IT )
線上生成高強度隨機密碼與密碼短語,所有計算在瀏覽器本地完成,密碼不會上傳伺服器。
Create strong random passwords with length and character sets. Crypto-secure randomness, excludes ambiguous chars, shows entropy in bits—free, browser-only.
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序列號生成器
Serial Key Generator
序列號線上生成器,按格式批次生成產品金鑰或授權碼,支援分段、字首與字元集,用於測試與演示,資料本地生成不上傳,純前端。
Serial Key Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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恢復碼生成器
Recovery Code Generator
賬戶恢復碼線上生成器,批次生成隨機恢復碼用於兩步驗證備用,可設長度與數量並下載,資料本地生成不上傳,純前端。
Recovery Code Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of ...
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打字速度測試
Typing Test
打字速度測試工具通過隨機或自定義文本測量打字速度與準確率,即時統計 WPM 與錯誤數,適合練習盲打、評估輸入效率與趣味比拼。
Typing Test - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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指數分佈計算器
Exponent Distribution Calculator
指數分佈計算器用於求取事件發生間隔的機率與分位數,輸入速率引數 λ 與取值 x,輸出機率密度與累積機率,適合可靠性分析與排隊論建模。
Exponent Distribution Calculator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developme...
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按鍵碼 Keycode 查詢
Key Code Keycode Query
⌨️ 按鍵碼 Keycode 查詢
Key Code Keycode Query - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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攝像頭錄製
Camera Recording
線上攝像頭錄製工具,瀏覽器內呼叫裝置攝像頭即時錄製影片並下載 WebM,支援解析度選擇,資料本地處理不上傳,純前端。
Camera Recording - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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摘要生成器
Summary Generator
📝 摘要生成器
Summary Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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摩斯電碼增強版
Morse Code Enhanced
將文本或摩斯電碼雙向轉換,覆蓋全部英文字母、數字、標點符號以及 Prosigns 特殊訊號,可逐字元高亮對照,適合無線電愛好者與電報學習演練。
Morse Code Enhanced - encode and decode online, free and secure. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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摩斯電碼轉換
Morse Code Convert
摩斯電碼轉換工具支援文本與摩斯碼雙向互轉,含點劃規則說明與字元表,點選字元可自動填入,適合無線電愛好者學習、應急通訊練習與編碼趣味演示。
Morse Code Convert - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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數學表示式求值器
Math Expression Evaluate Device - Online Calculate Math Expression : Support + - * / % ^ (
線上計算數學表示式:支援 + - * / % ^ ( ) 與 sin/cos/tan/sqrt/abs/ln/log/floor/ceil/round/min/max 等函式,自動儲存最近 20 條歷…
Math Expression Evaluate Device - Online Calculate Math Expression : Support + - * / % ^ ( - free online tool.
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檔案大小單位換算
File Size Unit Converter
輸入位元組數或帶單位的大小,在十進位制(SI,1 KB=1000 B)與二進位制(IEC,1 KiB=1024 B)單位間快速換算,顯示 B/KB/MB/GB 等多種表示,便於儲存與頻寬估算。
Convert file sizes between decimal (SI) and binary (IEC) units. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the I...
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文本 / 二進位制轉換
Text to Binary
支援文本與二進位制的雙向轉換,可處理 ASCII/Unicode 字元、自定義分隔符並批次轉換,便於編碼學習與資料除錯。
Text to Binary - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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文本 / 八進位制轉換
Text to Octal
支援文本與八進位制的雙向轉換,可處理 ASCII/Unicode 字元、自定義分隔符並批次轉換,便於檢視字元的八進位制編碼。
Text to Octal - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Devel...
#️⃣
文本 / 十六進位制轉換
Text to Hex
#️⃣ 文本 / 十六進位制轉換
Text to Hex - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Develop...
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文本 / 十進位制 ASCII 碼轉換
Text to Decimal
支援文本與十進位制的雙向轉換,可處理 ASCII/Unicode 字元、自定義分隔符並批次轉換,便於檢視字元的十進位制編碼。
Text to Decimal - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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文本二維碼
Text QR Code
文本二維碼線上生成器,輸入任意文字生成可掃碼二維碼,支援尺寸、容錯與配色調節,一鍵下載 PNG/SVG,適合分享簡訊息,純前端。
Text QR Code - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本去重排序工具
Text Deduplicate Sort
對文本行進行去重、排序、反轉等處理,支援多種分隔符與組合操作,全部在瀏覽器本地完成。
Text Deduplicate Sort - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本對比工具
Text Compare
線上文本對比工具,逐行或字元級高亮兩段文本差異,快速定位增刪改,適合程式碼評審與文件校訂,純前端執行。
Text Compare - compare online, free and clear. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本截斷工具
Text Truncate
線上文本截斷工具,按指定長度或行數截斷文本並新增省略號,支援中英文與按詞邊界截斷,適合摘要生成與展示截斷,純前端。
Text Truncate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本替換工具
Text Replace
在原文中執行文本替換,既支援普通字串替換,也支援正規表示式替換,即時標出所有匹配位置並預覽替換結果,方便在批次修改前確認改動範圍。
Text Replace - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本清理工具
Text Cleaner
把待處理文本貼上進來,勾選去除空行、多餘空格、不可見字元或統一換行等選項,一鍵批次清理,結果可直接複製,適合整理從網頁複製來的雜亂文字。
Text Cleaner - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本相似度計算器
Text Similarity
📊 文本相似度計算器
Text Similarity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本統計分析
Text Statistics Analysis
文本統計分析工具統計中英文混合文本的字數、詞頻、字元數與預計閱讀時間,支援即時計數,適合寫作字數統計、內容運營與文案長度把控。
Text Statistics Analysis - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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文本隱寫工具
Text Steganography
將秘密資訊隱藏在看似普通的文本中,支援零寬字元、藏頭詩、空格編碼等多種隱寫技術
Text Steganography - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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時間戳轉換器
Timestamp Convert
時間戳轉換器支援 Unix 秒/毫秒時間戳與日期時間互轉,支援本地與 UTC 時區顯示,適合日誌排查、介面除錯與跨時區時間換算。
Timestamp Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT D...
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時間格式轉換
Time Format Convert
時間格式轉換
Time Format Convert - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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暱稱生成器
Nickname Generator
線上暱稱生成器,組合形容詞、名詞與數字生成個性化網名,可設風格與長度,一鍵複製,適合社交與遊戲賬號,純前端執行。
Nickname Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the I...
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普萊費爾密碼 (Playfair Cipher)
Playfair Cipher
Playfair 密碼工具實現雙字母替換加密,基於 5×5 金鑰矩陣對明文成對加密,支援自定義關鍵詞,適合瞭解古典密碼學原理與教學演示。
Playfair Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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柵欄密碼 (Rail Fence)
Rail Fence Cipher
實現柵欄密碼(Rail Fence)的加解密:按設定的欄數把明文沿鋸齒形(zigzag)路徑寫入,再按行讀出得到密文,反向操作即可還原,用於古典密碼演示。
Rail Fence Cipher - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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標準差計算器
Standard Deviation Calculator
標準差線上計算器,輸入資料集自動計算樣本或總體標準差與方差,衡量資料離散程度,支援批次貼上,適合統計教學,純前端。
Standard Deviation Calculator - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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正規表示式視覺化
Regex Visualization
貼上一段正規表示式,工具在前端將其語法結構解析為彩色的樹狀視覺化圖,直觀展示分組、量詞與字元類層級,幫助開發者理解複雜正則的匹配邏輯。
Regex Visualization - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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正規表示式字元轉義
Regex Expression Character Escape
轉義正則元字元 \ ^ $ * + ? . ( ) | { } [ ]。
Regex Expression Character Escape - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developm...
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正規表示式測試器
Regex Expression Test
貼上測試文本並輸入正規表示式,即時高亮所有匹配片段,支援查詢替換與分組捕獲展示,可逐條檢視每個捕獲組的取值,便於除錯正則邏輯。
Test and debug regex with live matching, group highlighting and find-replace. Supports case-insensitive, multiline and global flags—client-side, no upload.
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正規表示式速查
Regex Expression Quick Reference
正規表示式語法速查:元字元、量詞、斷言、回溯引用、Unicode、JS 方法。
Regex Expression Quick Reference - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Developme...
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正態分佈計算器
Normal Distribution
正態分佈線上計算器,輸入均值、標準差與區間,計算機率密度、累積機率與分位數,用於統計推斷與質量分析,純前端執行。
Normal Distribution - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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泊松分佈計算器
Poisson Distribution
泊松分佈線上計算器,輸入單位時間平均發生次數 λ 與次數 k,計算恰好 k 次及累積機率,用於稀有事件建模,純前端執行。
Poisson Distribution - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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波利比奧斯方陣密碼 (Polybius)
Polybius Square Password
基於 5×5 方陣(I/J 共用一格)的古典密碼工具,將明文每個字母替換為對應的行號與列號數字,也可反向把數字對還原為字母,適合密碼學入門練習。
Polybius Square Password - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🎲
遊戲標籤生成器
Game Label Generator
遊戲標籤(Gamertag)線上生成器,組合風格詞、數字與符號生成獨特玩家名,可設長度與主題,一鍵複製,適合遊戲賬號註冊,純前端。
Game Label Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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環境變數生成器
Env Generator
快速生成 .env、Docker Compose、JSON、YAML、Shell 等格式的環境變數配置檔案
Env Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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環境變數生成器(.env格式)
Generator 16
按鍵值對生成 .env 格式文本,支援批次與註釋,便於專案配置管理與示例,純前端生成可複製不儲存。
Generator 16 - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Deve...
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使用者名稱生成器
Username Generator
使用者名稱線上生成器,組合詞根、數字與符號生成可用賬號名,可設長度與風格,一鍵複製,適合註冊與測試賬號,純前端執行。
Username Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the I...
🎲
番茄鍾計時器
Pomodoro Timer Timer Device
線上番茄鍾計時器,按 25 分鐘專注+5 分鐘休息迴圈管理時間,可自定義時長與輪次,本地記錄專注統計,適合高效工作法,純前端。
Pomodoro Timer Timer Device - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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矩陣乘法
Matrix Multiplier
輸入兩個矩陣 A 和 B 的各元素數值,工具按 C = A × B 規則計算乘積矩陣(要求 A 的列數等於 B 的行數),常用於線性代數與圖形變換的運算驗證。
Matrix Multiplier - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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矩陣求逆
Matrix Inverter
矩陣求逆線上計算器,輸入可逆方陣求得逆矩陣,支援高階與小數,結果可複製,適合線性代數與工程計算,純前端執行。
Matrix Inverter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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矩陣行列式
Matrix Determinant
矩陣行列式線上計算器,輸入方陣元素按餘子式展開計算行列式值,支援高階矩陣,步驟視覺化,適合線性代數學習,純前端。
Matrix Determinant - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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矩陣轉置
Matrix Transpose
將矩陣 A 的行列互換得到 Aᵀ。若 A 為 m×n,則 Aᵀ 為 n×m。
Matrix Transpose - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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短連結生成器
Short Link Generator
短連結線上生成器,將長網址編碼為簡短易記的短鏈,支援自定義字尾與批次生成,便於分享與統計,本地編碼不上傳原連結,純前端。
Short Link Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the...
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統計功效計算器
Statistical Power
統計功效(Power)線上計算器,輸入效應量、樣本量與顯著性水平,求得檢驗把握度,用於實驗設計與樣本量規劃,純前端。
Statistical Power - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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維吉尼亞密碼
Vigenère Cipher Visualization
以視覺化方陣展示維吉尼亞密碼:行對應金鑰字母、列對應明文字母,交叉點即密文字母。輸入明文與關鍵詞即可逐步演示多表替換加密過程,並給出密文。
Vigenère Cipher Visualization - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development ...
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編碼識別器
Charset Detector
編碼識別器
Charset Detector - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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置信區間計算器
Confidence Interval
置信區間線上計算器,輸入樣本均值、標準差與樣本量,按正態或 t 分佈求得指定置信水平的區間估計,用於統計推斷,純前端。
Confidence Interval - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
📚
美國區號查詢
Area Code Lookup
美國電話區號線上查詢工具,按區號或城市檢索所屬州與覆蓋地區,也可反向查詢,適合國際通訊與資料核對,純前端執行。
Area Code Lookup - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
🎲
計圈記錄
Stopwatch
線上秒錶與倒計時工具,支援開始/暫停/計圈記錄每圈耗時,可設多組倒計時提醒,適合運動訓練與計時場景,純前端執行。
Stopwatch - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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裝置與瀏覽器資訊
Device Info View Device
在瀏覽器本地解析並展示使用者代理、螢幕解析度、作業系統、瀏覽器版本、語言與觸控支援等裝置資訊,全部本地讀取不上傳,方便前端適配除錯與相容性排查。
Device Info View Device - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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語言程式碼查詢(ISO 639-1)
Language Code Query
ISO 639-1 語言程式碼查詢工具,輸入語言名稱或兩位字母程式碼即可查得對應編碼與中文名稱,支援雙向檢索,適合處理多語言站點、API 區域引數與本地化配置。
Language Code Query - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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誤差範圍計算器
Margin of Error
誤差範圍(Margin of Error)線上計算器,輸入樣本量、比例與置信水平求得抽樣誤差區間,用於民調與統計推斷,純前端執行。
Margin of Error - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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貝葉斯定理計算器
Bayes Theorem
輸入先驗機率與條件機率(如檢測的靈敏度、特異度與患病率),按貝葉斯定理計算後驗機率,用於醫學篩查、垃圾郵件識別等場景下的結果可信度評估。
Bayes Theorem - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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超幾何分佈計算器
Hypergeometric Distribution
超幾何分佈計算器用於不放回抽樣場景,輸入總體 N、成功數 K 與抽樣數 n,求取抽中 k 個成功項的機率與累積機率,適合質量抽檢與彩票機率分析。
Hypergeometric Distribution - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development to...
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進位制轉換器(IT)
Number Base Converter (IT)
在 2~36 進位制之間任意轉換數字,支援二進位制、八進位制、十進位制、十六進位制。
Convert numbers between bases 2-36. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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進位制轉換計算器
Base Converter Calculator
線上進位制轉換器,支援二進位制、八進位制、十進位制、十六進位制及任意 2-36 進位制互轉,即時計算並顯示各進位制結果,適合程式設計與教學,純前端。
Base Converter Calculator - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of ...
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邀請碼生成器
Invite Code Generator
生成帶校驗的隨機邀請碼,可設長度與字元集並批次匯出,用於內測發放與活動白名單,純前端生成不聯網。
Invite Code Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of th...
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郵件二維碼
Email QR Code
郵件二維碼線上生成器,輸入收件人、主題與正文生成可掃碼直接撰寫郵件的二維碼,支援尺寸調節,純前端執行。
Email QR Code - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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隨機 Token 生成器
Random Token Generator
基於瀏覽器加密級隨機數(crypto.getRandomValues)批次生成高強度 Token:自定義長度、字元集、數量,一鍵複製。
Random Token Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of t...
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隨機中文名生成器
Chinese Name Generator
基於百家姓與常用名用字,隨機生成現代、古風、文藝等不同風格的中文姓名,適合起名靈感或測試資料生成。
Chinese Name Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of t...
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隨機數生成器
Random
線上隨機數生成器,支援設定範圍、數量與是否允許重複,生成整數或小數隨機序列,可設種子復現,適合抽樣與遊戲,純前端。
Random - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Development tools.
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隨機埠生成器
Random Port Generator - Batch Generate 1024-65535 Random TCP / UDP
批次生成 1024-65535 隨機 TCP/UDP 埠,可自動避開常用保留埠,附常見埠速查表。
Random Port Generator - Batch Generate 1024-65535 Random TCP / UDP - generate results online, free and instant.
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隨機身份證號生成器
ID Card Generator
隨機身份證號生成器:可按地區、性別、出生年份生成,也可反向解析號碼歸屬。
ID Card Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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隨機銀行卡號生成器
Bank Card Generator
基於真實銀行 BIN 字首,使用 Luhn 演算法生成符合校驗規則的隨機銀行卡號
Bank Card Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ...
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顏色值轉換器
Color Value Converter (HEX / RGB / HSL)
輸入 HEX、RGB 或 HSL 任一種顏色值,即時在三者間互相轉換並預覽色塊,方便前端與設計師在程式碼中精確選取與核對顏色,避免色差。
Convert colors between HEX, RGB and HSL with live preview. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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顏色轉換器
Color Converter
線上顏色轉換器,支援 HEX、RGB、HSL、CMYK、HSV 等多種格式互轉,即時預覽並複製結果,適合設計與前端開發取色,純前端執行。
Color Converter - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT Dev...
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驗證碼生成器
Captcha Generator
🔒 驗證碼生成器
Captcha Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the IT...
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高階 Slug 生成器
Advanced Slug Generator
高階 Slug 生成器將標題、中文或混合文本轉換為 URL 友好字串,支援自定義分隔符、大小寫、停用詞與多語言拼音轉寫,適合生成 SEO 友好的連結。
Advanced Slug Generator - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of ...
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關於「IT 開發工具」
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分類簡介
IT 開發工具集合,涵蓋345個免費線上工具。所有工具純前端執行,資料不上傳伺服器,保護隱私安全。
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功能特點
純前端處理,資料不上傳
免費使用,無需註冊
支援移動端和桌面端
即時計算,即用即走