JSON Formatter

Format, validate, and beautify your JSON data instantly. Paste your JSON below — everything runs in your browser, nothing is sent anywhere.

Input
Output

            

How to Use

  1. Paste your JSON into the input box on the left.
  2. Click Format to beautify, or Minify to compress.
  3. Click Copy to copy the result to your clipboard.

Common Use Cases

  • Debugging API responses — make minified JSON readable
  • Inspecting configuration files in JSON format
  • Preparing JSON for documentation or code examples
  • Validating JSON before submitting to an API

FAQ

JSON formatting takes minified or messy JSON and makes it readable by adding proper indentation, line breaks, and spacing.

Yes, it's completely free. No sign-up, no limits.

Absolutely. If your JSON has errors, the validator will point them out so you can fix them fast.

No. All formatting runs directly in your browser. Your JSON never leaves your computer.