JSON Formatter

Format, validate, and minify JSON online

JSON Input

Mode

About

Format, validate, and minify JSON online. Syntax highlighting, error detection, and tree view included.

Is the JSON Formatter really free?

Yes, 100% free. No registration, no trial limits, no hidden fees.

Is my data private?

All generation happens locally in your browser using JavaScript. Nothing is sent to any server.

Do I need to create an account?

No. There is no signup, login, or account required. Just open the tool and use it.

Does it work on mobile devices?

Yes. All tools are responsive and work on phones, tablets, and desktops with full touch support.