📊 數據分析工具

📊 CSV 分析器CSV Analyzer 粘貼或上傳 CSV 數據，自動解析列結構並統計每列的類型、空值與分佈，輔助數據預覽與清洗前的快速檢查。CSV Analyzer - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. 📊 CSV轉JSONCSV to JSON Converter 在瀏覽器本地將 CSV 數據轉換為 JSON 數組，支持自定義分隔符與表頭。Convert CSV data to a JSON array locally in your browser. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data An... 📋 JSON格式化JSON Formatter JSON 格式化工具，驗證、格式化與壓縮 JSON 數據，全部在瀏覽器本地完成、數據不上傳，適合接口調試。Validate, format and minify JSON locally. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 假數據生成（姓名、電話、郵箱、地址、公司）Generator 13 按指定數量與字段生成仿真的中文姓名、電話、郵箱、地址與公司信息，用於開發測試、原型演示與脱敏樣例，純前端生成。Generator 13 - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data An... 📊 圖表生成器Chart Generator 輸入數據系列，生成柱狀、餅圖、散點、雷達、面積等多種 SVG 圖表並支持導出，無需後端即可完成數據可視化。Turn rows of labels and values into bar, line or pie charts with optional colors. Paste data, preview instantly and export—all in your browser, no upload, free. 📊 報表（自動生成/發送）模板Report 按字段與樣式生成可填報表模板，預置表頭表尾與彙總行，便於導出為打印或填寫用報表，純前端生成結構可複製。Report - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis... 📈 數據可視化Data Visualization 導入數值矩陣，自動繪製直方圖、箱線圖或熱力圖，顏色深淺映射數值大小，用於多維數據的分佈與相關性洞察。Data Visualization - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. 🧹 數據清洗Data Cleaning 數據清洗工具，清理文本/CSV 數據(去重、去空、格式化)，純前端運行、數據不上傳，適合表格預處理。Data Cleaning - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. 🔄 數據透視表Pivot Table 導入表格數據並選擇行、列與聚合方式（求和/計數/均值），生成二維透視彙總表，用於多維度數據分析與報表。Pivot Table - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 條形碼/二維碼數據生成（已有）Barcode / QR Code Data Generate 輸入文本或鏈接，生成對應的條形碼或二維碼數據載體，支持常見編碼格式，便於物料標籤與信息快速錄入。Barcode / QR Code Data Generate - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. ... 📊 直方圖（分組/頻數）生成Generator 35 輸入一組數據自動分組並繪製頻數分佈直方圖，可調整組距與邊界，用於統計初探與數據分佈可視化，純前端即時成圖。Generator 35 - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data An... ✨ 隨機中文名字（內置姓氏+名）Random 5 從內置姓氏與名字庫中隨機組合生成中文姓名，可設定性別與字數，用於測試數據、小説角色與示例信息，純前端生成。Random 5 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 隨機句子/段落（內置語料）Random 9 從內置語料中隨機抽取並拼接句子或段落，用於佔位文案、排版演示與寫作靈感，純前端生成、結果可複製。Random 9 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 隨機密碼（已有，可增強）Random Password 生成指定長度與字符集的隨機密碼，可調大小寫、數字與符號比例，純前端生成不存儲，適合賬號註冊與臨時口令。Random Password - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 隨機數字（整數/浮點數）Random Number 在設定範圍內生成隨機整數或浮點數，支持批量與去重，用於抽獎、抽樣、模擬與測試數據構造，純前端即時生成。Random Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 隨機日期（指定範圍）Random Date 在指定起止範圍內生成隨機日期，支持自定義格式，用於測試數據填充、排期模擬與演示樣例的快速構造。Random Date - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 隨機身份證號（算法生成）Generator Random 2 按身份證編碼規則（地區碼、出生日期、校驗位）算法生成合規格式的隨機號碼，僅用於測試與教學，非真實身份。Generator Random 2 - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the D... ✨ 隨機銀行卡號（Luhn校驗）Random 8 按卡段規則生成通過 Luhn 校驗的隨機銀行卡號，用於支付表單測試與脱敏樣例，純前端生成，僅作測試不對應真實賬户。Random 8 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 隨機顏色（HEX/RGB）Random Color - ( HEX / RGB ) 隨機生成 HEX 或 RGB 顏色，可鎖定喜歡的色值並複製，適合配色靈感、佔位色與界面原型，純前端即時取色不上傳。Random Color - ( HEX / RGB ) - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis to... ✨ 隨機驗證碼（數字/字母/混合）Random 4 按指定長度與字符集（數字/字母/混合）生成隨機驗證碼，可用於表單演示、教學樣例與本地測試，結果可複製。Random 4 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools.