📈 JSON 转 ExcelJSON to Excel
在线把 JSON 数组转换为 Excel（.xlsx）或 CSV 文件并下载，基于 SheetJS，本地生成不上传。Convert a JSON array to an Excel (.xlsx) or CSV file and download it. Uses SheetJS, generated locally without uploading.
使用说明与常见问题How-to & FAQ
「JSON 转 Excel」是什么？What is the JSON to Excel tool?
在线把 JSON 数组转换为 Excel（.xlsx）或 CSV 文件并下载，基于 SheetJS，本地生成不上传。Convert a JSON array to an Excel (.xlsx) or CSV file and download it. Uses SheetJS, generated locally without uploading.
如何使用「JSON 转 Excel」？How do I use the JSON to Excel tool?
在「JSON 转 Excel」中，按需设置「格式」、「文件名」等选项，然后点击「生成并下载」按钮即可。In the JSON to Excel: Set "Format", "File name", then click "Generate & download".
支持嵌套对象吗？Does it support nested objects?
支持。嵌套对象会自动展开为点号分隔的列名（如 addr.city）；数组会以 JSON 字符串形式写入单元格。单个对象会被当作只有一行的数组。Yes. Nested objects are flattened into dot-separated column names (e.g. addr.city); arrays are written into the cell as JSON strings. A single object is treated as a one-row array.
数据会上传吗？Is my data uploaded?
不会，表格在浏览器本地生成后直接下载。No, the spreadsheet is generated locally and downloaded directly.
代码或数据会被上传吗？Is my code or data uploaded?
不会。「JSON 转 Excel」完全用 JavaScript 在本地运行，适合处理含有密钥、内部接口等敏感内容的数据。No. The JSON to Excel runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.
「JSON 转 Excel」免费吗？需要注册吗？Is the JSON to Excel free? Do I need an account?
「JSON 转 Excel」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The JSON to Excel is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.