JSON Formatter
Format, beautify, validate, and minify JSON data instantly. Free online JSON tool with syntax highlighting.
Free Online JSON Formatter
Transform messy, unreadable JSON data into beautifully formatted code in seconds. Our free online JSON formatter helps developers and data analysts work with JSON data more efficiently. Whether you need to beautify, validate, or minify JSON, our tool handles it all without requiring any downloads or installations.
Features
Format & Beautify
Convert compact JSON into readable, indented format with proper line breaks and spacing. Perfect for debugging and understanding complex JSON structures.
Minify
Remove all unnecessary whitespace and line breaks to create the smallest possible JSON output. Ideal for reducing file sizes and improving API response times.
Validate
Instantly check if your JSON is valid and properly formatted. Our validator highlights syntax errors and provides clear error messages to help you fix issues quickly.
How to Use
- Paste your JSON data into the input area above
- Click "Format" to beautify, "Minify" to compress, or "Validate" to check for errors
- Copy the result from the output area
- Use your formatted JSON in your projects
Why Use Our JSON Formatter?
- 100% Browser-Based: All processing happens in your browser - no server uploads required
- Privacy First: Your data never leaves your device, ensuring complete privacy and security
- Mobile Friendly: Works perfectly on smartphones and tablets for on-the-go JSON formatting
- Fast & Free: Instant results with no registration, no limits, and no cost
- Syntax Highlighting: Easy-to-read color-coded output helps you understand JSON structure at a glance