Format & Validate JSON Instantly
Paste your JSON data to format, validate, and beautify it with syntax highlighting. 100% free and private.
Input JSON
Formatted Output
How to Format JSON
1. Paste Your JSON
Paste your JSON data into the input field. You can also click Load Sample to try with example data.
2. View & Validate
Your JSON is automatically formatted with syntax highlighting. Invalid JSON will show a detailed error message.
3. Copy or Download
Copy the formatted JSON to clipboard, download as a .json file, or minify it for production use.
Frequently Asked Questions
Is this JSON formatter free?
Yes, 100% free with no limits. Format and validate as much JSON as you need without registration.
Can this tool validate JSON?
Yes! It validates your JSON in real-time and shows exactly where errors are, including the error message.
Is my JSON data safe?
Absolutely. Everything runs in your browser using JavaScript's built-in JSON.parse. No data is sent to any server.
What is JSON minification?
JSON minification removes all unnecessary whitespace and line breaks, making it compact. Useful for reducing file size in production.