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JSON Formatter

Pretty-print JSON with consistent two-space indentation, right in your browser. Useful for inspecting API responses, log payloads, or untangling minified JSON before committing it to a fixture.

工具摘要

此工具接收结构化输入，在浏览器中返回确定性输出，无需上传到服务器。

工具名称
JSON Formatter
输入意图
提供需要转换、校验或分析的原始内容。
输出意图
获得可直接复制、复用或排错的规范化输出。
示例输入
{"name":"Alice","tags":["admin","ops"]}
示例输出
{ "name": "Alice", "tags": [ "admin", "ops" ] }

Formatted JSON will appear here after you click Format.

工具介绍

Pretty-print JSON with consistent two-space indentation, right in your browser. Useful for inspecting API responses, log payloads, or untangling minified JSON before committing it to a fixture.

工具概览

JSON (JavaScript Object Notation) is a lightweight data format used by most web APIs. Minified JSON saves bytes on the wire but is hard to read by humans. The JSON Formatter parses your input with a strict JSON parser and re-emits it with two-space indentation and one key per line, so the structure becomes scannable. Nothing leaves your browser — formatting happens entirely on the client.

使用场景

  • Use JSON Formatter when you need fast format and beautify json with proper indentation.
  • Handle developer workflows directly in the browser with no install required.
  • Support SEO long-tail intent by covering quick checks, troubleshooting, and one-off conversions.

输入/输出示例

输入意图
{"name":"Alice","tags":["admin","ops"]}
输出意图
{
  "name": "Alice",
  "tags": [
    "admin",
    "ops"
  ]
}

常见问题

Is my JSON sent to a server?+
No. Formatting runs entirely in your browser using the built-in JSON parser.
Why does it say "Invalid JSON"?+
Your input could not be parsed by the strict JSON spec. Common causes: trailing commas, single quotes instead of double, comments, or missing closing brackets.
Can I change the indentation level?+
Not yet. The output uses two spaces per level, which matches the most common style guides.

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