JSON Formatter / Validator

📋 JSON Formatter & Validator Features

🎨 Formatting

  • Pretty-print JSON with proper indentation
  • Consistent spacing and line breaks
  • Unicode character preservation
  • Compact and readable output
  • Customizable formatting options

✅ Validation

  • Real-time JSON syntax validation
  • Detailed error messages
  • Line and column error location
  • Multiple JSON standards support
  • Strict and lenient validation modes

⚡ Performance

  • Instant processing and validation
  • Handles large JSON files
  • Memory-efficient processing
  • No server-side storage
  • Client-side processing

🔧 Developer Tools

  • One-click copy functionality
  • Syntax highlighting support
  • Error highlighting
  • Line numbering
  • Search and replace

🌐 Compatibility

  • All modern browsers
  • Mobile-friendly interface
  • JSON5 and JSONC support
  • UTF-8 encoding
  • Cross-platform ready

📊 Data Handling

  • Nested object formatting
  • Array structure validation
  • Type checking
  • Null and undefined handling
  • Special character support

🚀 Use Cases & Applications

🖥️ API Development

Format and validate API responses, request payloads, and configuration files.

📱 Mobile Apps

Debug JSON data structures in mobile applications and web services.

🌐 Web Development

Format JSON for configuration files, data storage, and client-server communication.

🔧 Testing

Validate JSON schemas, test data structures, and debug data formats.

💡 Pro Tip: Use proper indentation (2 or 4 spaces) for better readability. Always validate JSON before using it in production to catch syntax errors early.