Is the JSON Formatter free to use?

Yes, the JSON Formatter is completely free. There is no sign-up, no account required, and no limit on how often you can use it.

Is my text private when using the JSON Formatter?

Yes, all text processing happens in your browser. Your text is not sent to any server and is not stored anywhere outside your device.

What devices does the JSON Formatter work on?

The JSON Formatter works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.

📝 Text & List

JSON Formatter & Validator

Format, prettify and validate JSON. Minify JSON for production. Highlights syntax errors. Free and instant.

The JSON Formatter is a free online tool that helps you format, prettify and validate json. minify json for production. highlights syntax errors. free and instant It runs in your browser with no sign-up, downloads, or installation needed. All processing happens locally — your data stays on your device.

Indent

Sort keys

JSON input

Formatted JSON

How to use the JSON Formatter

Format and validate

Paste any JSON — even minified or poorly indented — and it will be reformatted with proper indentation. Any syntax errors are shown with the approximate location. Use "Minify" to compress JSON for APIs and production environments.

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