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JSON Formatter & Validator

Format, validate, minify, and beautify JSON data with syntax highlighting and error detection.

How to Use:

  1. Paste your JSON data in the input textarea
  2. Choose formatting options (indent size, sorting, etc.)
  3. Click "Format & Beautify" for readable JSON or "Minify" for compact JSON
  4. Copy the result or download it as a JSON file
  5. Use "Validate Only" to check JSON syntax without formatting

Features:

  • JSON formatting and beautification with proper indentation
  • JSON minification for reduced file size
  • Real-time JSON validation with error reporting
  • Customizable indent size (2 spaces, 4 spaces, or tabs)
  • Option to sort object keys alphabetically
  • Unicode character escaping option
  • File size information for input and output
  • Copy to clipboard and download functionality
  • Swap input and output for iterative processing

Common Use Cases:

  • Cleaning up messy or minified JSON
  • Validating JSON syntax and structure
  • Preparing JSON for configuration files
  • Debugging API responses and requests
  • Minifying JSON for production deployment
  • Converting between different JSON formatting styles

JSON Best Practices:

  • Use double quotes for strings (not single quotes)
  • Ensure proper comma placement (no trailing commas)
  • Use consistent indentation for readability
  • Validate JSON before deployment
  • Minify JSON for production to reduce bandwidth
JSON Formatter and Validator | ConvertCase.org
Transformez Votre Texte, Donnez du Pouvoir à Vos Mots


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