JSON Formatter & Validator
Format, validate, minify, and beautify JSON data with syntax highlighting and error detection.
How to Use:
- Paste your JSON data in the input textarea
- Choose formatting options (indent size, sorting, etc.)
- Click "Format & Beautify" for readable JSON or "Minify" for compact JSON
- Copy the result or download it as a JSON file
- 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