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JSON Formatter – Pretty Print & Validate JSON

Beautify and validate JSON

Clean up messy JSON for reading, debugging, and sharing — with instant validation and helpful error messages.

Input JSON

Output

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Features

  • 100% free to use
  • No signup or account required
  • Works directly in your browser
  • Private and secure processing

How to Use

  1. 1Paste your JSON
  2. 2Format or minify automatically
  3. 3Copy the formatted JSON

JSON Formatter – Frequently Asked Questions

Can it fix broken JSON?

It validates and reports exact error locations to help you fix issues quickly.

Is my JSON sent to a server?

No — all processing happens locally in your browser.

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