JSON Formatter & Validator

Format, beautify, validate, and minify your JSON data online. Fast, free, and easy to use.

Input JSON

Output

Features

  • Format JSON: Beautify with proper indentation
  • Validate JSON: Check for syntax errors
  • Minify JSON: Remove all whitespace
  • Copy & Download: Easy export options
  • Real-time Processing: Instant results
  • Error Detection: Detailed error messages
  • No Upload Required: Process locally in browser
  • Free & Secure: Your data never leaves your browser

How to Use

  1. Paste your JSON into the input box on the left
  2. Click Format to beautify, Validate to check, or Minify to compress
  3. View the result in the output box on the right
  4. Copy to clipboard or download the result

Tips

  • Use Format to make JSON human-readable for development
  • Use Minify to reduce file size for production
  • The validator will show you exactly where errors occur
  • All processing happens in your browser - your data is never uploaded