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JSON格式化

快速格式化压缩混乱的JSON文本，精确定位语法错误，提供折叠树状结构。

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Input

Output

Click Format or Minify to process your JSON

JSON格式化

开发者必备的轻量纯本地工具，绝对不用担心接口敏感数据上传泄露。

🔐 100% Private — Client-Side Execution

All processing happens inside your browser using WebAssembly and HTML5 Canvas. Zero file uploads, zero server tracking. Compliant with LGPD & GDPR.

常见问题解答

Is my JSON data sent to a server?
No. Parsing, formatting, and minifying all happen locally in your browser using standard JSON parsing — nothing is transmitted anywhere.
What happens if my JSON is invalid?
You'll see the specific parsing error message so you can locate and fix the problem in your input.
What is the difference between Format and Minify?
Format adds indentation and line breaks for readability. Minify strips all unnecessary whitespace to produce the smallest possible file size.
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