JSON Formatter

Format, validate, and beautify your JSON data with syntax highlighting and error detection.

Format, validate, and beautify your JSON data instantly. Perfect for developers working with APIs, configuration files, or debugging.

Instant JSON formatting and validation
Syntax highlighting and error detection
Pretty print and minify options
No registration required
Completely free
Works in your browser

How to Use

  1. Paste your JSON data into the input box
  2. Click Format JSON to beautify and validate
  3. Click Minify JSON to remove whitespace
  4. Copy the formatted or minified result for your project

Frequently Asked Questions

What does this tool do?

It formats, validates, and beautifies your JSON data for easier reading and debugging.

Can I minify my JSON?

Yes, you can remove all unnecessary whitespace with the Minify option.

Is my data sent to a server?

No, all formatting and validation happens in your browser. Your data never leaves your device.