Free JSON Tools for Developers
Professional-grade JSON tools to format, validate, minify, and transform your data. All tools work in your browser with no registration required.
Most Popular Tools
Format and beautify JSON with proper indentation and syntax highlighting
- Real-time formatting
- Syntax highlighting
- Error detection
- Copy & download
Validate JSON syntax with detailed error messages and auto-fix suggestions
- Real-time validation
- Line-by-line errors
- Auto-fix suggestions
- Context view
Compress JSON by removing whitespace and formatting to reduce file size
- 70% size reduction
- Instant compression
- Bandwidth savings
- Performance boost
All JSON Tools
Transform minified JSON into readable, well-formatted code
- Perfect indentation
- Professional formatting
- Line numbers
Convert CSV data to JSON format for APIs and web applications
- Auto type detection
- Custom delimiters
- Header support
Transform JSON data into XML format with proper structure
- Valid XML output
- Custom root elements
- Attribute mapping
Validate JSON against JSON Schema definitions
- Schema validation
- Custom schemas
- Detailed reports
Compare two JSON objects and highlight differences
- Visual comparison
- Highlight changes
- Merge conflicts
Why Choose Our JSON Tools?
Built by developers, for developers. Our tools are fast, reliable, and completely free to use.
Lightning Fast
Process JSON files instantly in your browser. No server uploads or waiting times.
Always Free
All tools are completely free with no registration, limits, or hidden costs.
Privacy First
Your data never leaves your browser. Everything is processed locally and securely.
Works Everywhere
Compatible with all modern browsers on desktop, tablet, and mobile devices.
Ready to Get Started?
Choose the JSON tool you need and start working with your data immediately. No setup required, just paste and go!