JSON Viewer & Formatter
Parse, validate, format, and visualize JSON data with syntax highlighting and error detection. Perfect for developers, API testing, and data analysis.
How to Use JSON Viewer
📝 Input JSON Data
Paste your JSON data into the input field. The tool automatically validates and highlights syntax errors in real-time.
🎨 View Formatted Output
See your JSON data beautifully formatted with syntax highlighting, collapsible objects, and line numbers.
🔧 Format & Minify
Use format buttons to beautify your JSON with custom indentation or minify it to save space.
📋 Copy & Share
Copy formatted or minified JSON to clipboard with one click. Perfect for API development and debugging.
Why Use Our JSON Viewer?
🚀 Fast & Reliable
Process JSON data instantly without server uploads. Everything works locally in your browser for maximum speed and privacy.
🔒 Privacy First
Your JSON data never leaves your browser. No data is sent to servers, ensuring complete privacy and security.
📱 Mobile Friendly
Responsive design works perfectly on desktop, tablet, and mobile devices. Use it anywhere, anytime.
Common Use Cases
- API response validation and debugging
- Configuration file formatting and verification
- Data transformation and analysis
- JSON schema validation and testing
- Code documentation and sharing
- Learning JSON structure and syntax
Features
✨ JSON Validation
Real-time validation with detailed error messages to help you identify and fix JSON syntax issues quickly.
🎨 Syntax Highlighting
Color-coded JSON structure with different colors for strings, numbers, booleans, and null values for better readability.
📊 JSON Statistics
Get detailed information about your JSON including key count, file size, and data type analysis.
🔧 Format Options
Beautify your JSON with custom indentation (2 or 4 spaces) or minify it to reduce file size.
📋 Copy Support
One-click copy functionality for both formatted and minified JSON. Perfect for sharing and documentation.
🔍 Collapse/Expand
Interactive collapse and expand functionality for objects and arrays to navigate large JSON structures easily.