JSON Editor

Format, validate, parse, highlight, and edit JSON online.

Format, minify, inspect, and convert JSON directly in your browser for API debugging and configuration work.

How to use

  1. Paste JSON into the editor.
  2. Choose formatting, minification, tree view, or a conversion action.
  3. Review the result, then copy or download it.

Examples

Format an object

Input

{"name":"51tools","enabled":true}

Output

{
  "name": "51tools",
  "enabled": true
}
Privacy
May contact server Avoid sensitive data Uploads only when needed

Your JSON is processed locally in the browser and is not uploaded or stored by this page.

Frequently asked questions

No. Formatting, minification, inspection, and code conversion run in your browser.

Converters require strict JSON syntax, including double-quoted property names and strings.

It can process data that fits in browser memory, although very large documents may make the page slower.
Next steps

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