JSON Formatter & Validator

Format, minify and validate JSON.

Paste JSON to pretty-print it with indentation, minify it onto one line, or check that it is valid. If something is wrong, the error message tells you where, so you can fix it quickly.

Input: JSON
Output: Formatted or minified JSON

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About JSON Formatter & Validator

JSON Formatter & Validator is a free online tool from freeonlinetools.live. Format, minify and validate JSON.

It works in any modern browser with no app to install and no account to create. Paste your input, run it and copy the result.

How to use JSON Formatter & Validator

Paste or type your input.
Click one of the actions (Format, Minify and Validate).
Copy the result.

Features

Free to use, with no signup and no watermark
Actions: Format, Minify and Validate
Works on desktop and mobile browsers

Frequently asked questions

Is JSON Formatter & Validator free?

Yes. JSON Formatter & Validator is free and does not need an account.

Do I need to install anything?

No. Everything runs in your web browser, so it works on Windows, macOS, Linux, ChromeOS, Android and iOS.

Is my input saved?

No. Your text is processed to produce the result and is not stored.

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