Data converters

JSON Formatter

Format, validate, and beautify JSON instantly. Nothing you enter leaves your browser.

Paste JSON Indentation

Result

Your result will appear here.

Simple by design

Get the answer, without the clutter.

FormatCalc is built for quick work. This json formatter runs entirely on your device, so private text and data stay private.

01

Enter or paste your information.

02

Transform it with one click.

03

Copy, use, or download your result.

Common questions

Using the JSON Formatter

Is the JSON Formatter free to use?

Yes. FormatCalc's JSON Formatter is free to use with no account required.

Is my data private when I use the JSON Formatter?

Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.

How do I use the JSON Formatter?

Paste or type your input, select any available options, and choose Format JSON. You can then copy the result.