JSON Formatter & Validator

Format, validate and minify JSON online

Free · No sign-up · Works on any device

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About JSON Formatter & Validator

Free JSON formatter and validator. Paste JSON to format it with proper indentation, validate syntax, minify for production, or convert to other formats.

Frequently Asked Questions

Is JSON Formatter & Validator free to use?

Yes, JSON Formatter & Validator is completely free — no subscription, no credit card, no hidden fees. Use it as much as you need.

Do I need to create an account to use JSON Formatter & Validator?

No account needed. JSON Formatter & Validator works instantly in your browser. Just open the page and start using it — no email, no login, no sign-up of any kind.

Is JSON Formatter & Validator safe to use?

Yes. Your data is processed on top-quality cloud infrastructure and never logged or stored. We have no user accounts, so there is nothing to compromise.

Does JSON Formatter & Validator work on mobile?

Yes. JSON Formatter & Validator is fully responsive and works on smartphones, tablets and desktops. No app download required.