Beautify or compress JSON from the same input panel for easier review and copy-paste.
JSON ToolsFormat and minify together Error location support Local processing
Online JSON Formatter and Validator
Format, minify, validate, and inspect JSON with quick error feedback for data review and structure cleanup.
Inspect data structuresValidate config filesClean up logs
Reserve space for line and column feedback so invalid JSON is easier to diagnose.
Keep sensitive samples inside the browser instead of sending them to a server.
Tool Summary
JSON Formatter / ValidatorCategoryJSON Tools
Scenarios3 categories
Guides1 guides
The workspace is right below
The main action comes first. Guides, FAQ, and related tools stay below the workspace.
You can also jump to these categories
在线 JSON 格式化 / 压缩 / 校验工具
输入、输出、复制都放在同一工作区里，适合查看结构、排查字段和节点定位。
输入内容
粘贴需要处理的 JSON 文本输出结果
支持文本视图、树形视图、搜索高亮和路径定位最近操作
暂无历史记录，操作一次后这里会自动展示。
使用提示
- 校验失败时会尽量定位到具体行列，方便你快速回到问题附近。
- 树形视图支持点击节点，自动定位到输出区对应路径。
- 路径定位支持类似 `$.meta.style`、`$.features[0]` 这种常见写法。
How to Use
Paste JSON into the input area and click Format for a beautified view or Minify for a compact version, handy for API work and log cleanup.
Invalid JSON triggers an error hint that helps you locate the offending line and column, which is useful when troubleshooting config files.
Everything is processed locally in the browser, so it is safe to paste samples that contain sensitive fields.
Related Guides
FAQ
Why format JSON at all?
Formatted JSON makes nested structures easier to inspect and copy correctly.
Will my JSON be uploaded?
No. The current flow is designed for local browser-side processing.