📝
JSON Formatter & Validator
Format, beautify, minify and validate JSON data instantly. Syntax highlighting, error detection, and copy results with one click. Perfect for developers and data analysts.
❌ JSON Validation Error
✅ JSON is valid and formatted successfully!
📝 JSON Input
Lines: 0 | Characters: 0
📄 Formatted Output
Lines: 0 | Characters: 0
Formatted JSON will appear here...
📋 Sample Templates:
🌟 Formatter Features
JSON Beautification
Format and beautify minified JSON with proper indentation and line breaks for better readability.
Real-time Validation
Instantly validate JSON syntax and highlight errors with detailed error messages and line numbers.
Syntax Highlighting
Color-coded syntax highlighting for keys, strings, numbers, booleans, and null values.
JSON Minification
Compress JSON by removing whitespace and line breaks to reduce file size for production use.
Copy & Download
Copy formatted JSON to clipboard or download as a file with customizable indentation options.
Mobile Friendly
Responsive design that works perfectly on desktop, tablet, and mobile devices with touch support.
📚 JSON Usage Guide
🌐 Web Development
- API request and response formatting
- Configuration file management
- Database data exchange
- AJAX data transmission
- Local storage data structure
- REST API documentation
📊 Data Analysis
- Data import/export formatting
- NoSQL database queries
- Analytics data structure
- Report generation templates
- Data visualization configs
- ETL pipeline configurations
⚙️ Configuration
- Application settings files
- Environment configurations
- Build tool configurations
- Package manager files
- CI/CD pipeline configs
- Docker compose files
💡 Best Practices
- Always validate JSON before use
- Use consistent indentation (2 or 4 spaces)
- Minify JSON for production
- Use meaningful key names
- Avoid deeply nested structures
- Include proper error handling