📊 数据分析工具

📊 CSV 分析器CSV Analyzer 粘贴或上传 CSV 数据，自动解析列结构并统计每列的类型、空值与分布，辅助数据预览与清洗前的快速检查。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转JSONCSV to JSON Converter 在浏览器本地将 CSV 数据转换为 JSON 数组，支持自定义分隔符与表头。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，验证、格式化与压缩 JSON 数据，全部在浏览器本地完成、数据不上传，适合接口调试。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. ✨ 假数据生成（姓名、电话、邮箱、地址、公司）Generator 13 按指定数量与字段生成仿真的中文姓名、电话、邮箱、地址与公司信息，用于开发测试、原型演示与脱敏样例，纯前端生成。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... 📊 图表生成器Chart Generator 输入数据系列，生成柱状、饼图、散点、雷达、面积等多种 SVG 图表并支持导出，无需后端即可完成数据可视化。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. 📊 报表（自动生成/发送）模板Report 按字段与样式生成可填报表模板，预置表头表尾与汇总行，便于导出为打印或填写用报表，纯前端生成结构可复制。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... 📈 数据可视化Data Visualization 导入数值矩阵，自动绘制直方图、箱线图或热力图，颜色深浅映射数值大小，用于多维数据的分布与相关性洞察。Data Visualization - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. 🧹 数据清洗Data Cleaning 数据清洗工具，清理文本/CSV 数据(去重、去空、格式化)，纯前端运行、数据不上传，适合表格预处理。Data Cleaning - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. 🔄 数据透视表Pivot Table 导入表格数据并选择行、列与聚合方式（求和/计数/均值），生成二维透视汇总表，用于多维度数据分析与报表。Pivot Table - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 条形码/二维码数据生成（已有）Barcode / QR Code Data Generate 输入文本或链接，生成对应的条形码或二维码数据载体，支持常见编码格式，便于物料标签与信息快速录入。Barcode / QR Code Data Generate - generate results online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. ... 📊 直方图（分组/频数）生成Generator 35 输入一组数据自动分组并绘制频数分布直方图，可调整组距与边界，用于统计初探与数据分布可视化，纯前端即时成图。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... ✨ 随机中文名字（内置姓氏+名）Random 5 从内置姓氏与名字库中随机组合生成中文姓名，可设定性别与字数，用于测试数据、小说角色与示例信息，纯前端生成。Random 5 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 随机句子/段落（内置语料）Random 9 从内置语料中随机抽取并拼接句子或段落，用于占位文案、排版演示与写作灵感，纯前端生成、结果可复制。Random 9 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 随机密码（已有，可增强）Random Password 生成指定长度与字符集的随机密码，可调大小写、数字与符号比例，纯前端生成不存储，适合账号注册与临时口令。Random Password - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 随机数字（整数/浮点数）Random Number 在设定范围内生成随机整数或浮点数，支持批量与去重，用于抽奖、抽样、模拟与测试数据构造，纯前端即时生成。Random Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 随机日期（指定范围）Random Date 在指定起止范围内生成随机日期，支持自定义格式，用于测试数据填充、排期模拟与演示样例的快速构造。Random Date - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 随机身份证号（算法生成）Generator Random 2 按身份证编码规则（地区码、出生日期、校验位）算法生成合规格式的随机号码，仅用于测试与教学，非真实身份。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... ✨ 随机银行卡号（Luhn校验）Random 8 按卡段规则生成通过 Luhn 校验的随机银行卡号，用于支付表单测试与脱敏样例，纯前端生成，仅作测试不对应真实账户。Random 8 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools. ✨ 随机颜色（HEX/RGB）Random Color - ( HEX / RGB ) 随机生成 HEX 或 RGB 颜色，可锁定喜欢的色值并复制，适合配色灵感、占位色与界面原型，纯前端即时取色不上传。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... ✨ 随机验证码（数字/字母/混合）Random 4 按指定长度与字符集（数字/字母/混合）生成随机验证码，可用于表单演示、教学样例与本地测试，结果可复制。Random 4 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Data Analysis tools.