Developer Toolbox

JSON Formatter & Validator

About Tool

Format, beautify, minify, and validate JSON strings. Quickly verify data structures, useful for API debugging, config validation, and log formatting.

Input JSON

Formatted Result

How to use JSON Formatter & Validator?

  • 1Paste your JSON string into the input area.
  • 2Click 'Format' to beautify your code and make it readable.
  • 3Use 'Minify' if you need a compact single-line version.
  • 4Click 'Copy Result' to save it to your clipboard.

Frequently Asked Questions

Is my JSON data safe?

Yes, completely. Our tools run 100% locally in your browser. Your data is never uploaded to any server or shared with anyone.

Does it support syntax validation?

Yes, our formatter automatically validates your JSON syntax. If there's an error, it will pinpoint the location to help you fix it.

✨ Find these tools useful?

If these tools saved you time, consider supporting via PayPal, WeChat, or Alipay ☕️