JSON Formatter & Validator

Paste Your JSON Here

Formatted Output

❓ Frequently Asked Questions

What is a JSON formatter and why do I need one?

A JSON formatter takes unreadable JSON data and adds proper indentation, line breaks, and syntax highlighting to make it human-readable. Our free online JSON formatter helps developers debug APIs, analyze data structures, and work with JSON configuration files.

How do I validate JSON syntax online?

Simply paste your JSON into our JSON validator online free tool and click "Validate JSON". We'll check for syntax errors like missing commas, brackets, or quotes and highlight any issues.

Can I minify JSON for production use?

Yes! Our JSON minifier online tool removes all unnecessary whitespace to reduce file size - perfect for optimizing API responses and web applications.

Is this JSON prettifier safe to use with sensitive data?

Absolutely. This secure JSON formatter processes all data in your browser - nothing is sent to our servers. Your data never leaves your computer.

How do I format compressed JSON data?

Paste your minified JSON into our JSON beautifier online and click "Format JSON". We'll automatically add proper indentation and line breaks to make it readable.

Does this work on mobile devices?

Yes! Our mobile-friendly JSON tool works perfectly on smartphones and tablets with a responsive design and touch-friendly controls.