JSON Formatter & Validator
Format, validate and beautify JSON data with syntax highlighting. Fix invalid JSON, compare structures, and convert between formats. No data sent to servers.
Information
Our free online JSON Formatter and Validator helps you beautify, validate and debug JSON code with advanced syntax highlighting. Perfect for developers working with APIs, configuration files, or any JSON data structure. This tool instantly detects syntax errors, properly indents your JSON for readability, and provides detailed error messages for troubleshooting. All processing happens directly in your browser - no data is sent to any server, ensuring complete privacy and security. Advanced features include JSON minification, comparison, and conversion between JSON and other formats like YAML or XML. Whether you're debugging API responses, formatting configuration files, or validating user inputs, our tool makes working with JSON data simple and efficient.
How to Use
- Paste your JSON data into the input field
- Click the "Format JSON" button to format and validate
- Copy the formatted result using the copy button
Note: This tool processes JSON entirely in your browser. No data is sent to any server.