JSON Formatter

Paste JSON to format, validate or minify. Runs entirely in your browser — nothing is uploaded.

Input

Output

Frequently asked questions

Is the JSON formatter free to use?

Yes, it is completely free with no signup or account required.

Does my JSON get sent to a server?

No. JSON formatting runs entirely in your browser using JavaScript. Your data never leaves your device.

Can I format large JSON files?

Yes. Since processing happens in your browser, performance depends on your device, but typical JSON files of any size work fine.

What is the difference between Beautify and Minify?

Beautify adds indentation and line breaks to make JSON human-readable. Minify removes all whitespace to reduce file size for production use.