Free Online JSON Formatter & Validator
Format, minify, validate, and fix JSON data with our powerful online tool. Get beautifully formatted JSON with syntax highlighting, detect and fix errors, and optimize your JSON for production. Perfect for developers, APIs, and configuration files.
JSON Formatter Tool
Input JSON
Formatted JSON
Why Use Our JSON Formatter?
Our tool offers everything you need to work with JSON data efficiently and effectively
Beautify & Format
Transform messy, minified JSON into a clean, readable format with proper indentation and structure. Make your JSON data human-readable and easy to understand.
Minify & Compress
Reduce JSON file size by removing all unnecessary whitespace and line breaks. Optimize your JSON for faster transmission and efficient storage.
Validate & Fix
Check your JSON for syntax errors and get detailed error messages. Our tool helps you identify and fix common mistakes in your JSON structure.
Syntax Highlighting
Easily distinguish between keys, values, strings, numbers, and booleans with our color-coded syntax highlighting for better readability.
Fast & Efficient
Process large JSON files quickly with our optimized engine. No waiting time – get your formatted JSON instantly, even with complex data.
Secure & Private
Your data never leaves your browser. All processing happens locally for maximum security and privacy. No server processing required.