JSON Formatter
Format, validate and minify JSON with readable indentation and clear error messages.
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How to use JSON Formatter
- Add your input. Paste or type your content into the input area.
- Pick any options. Choose the settings you need for JSON Formatter, or keep the defaults.
- Copy the result. Copy or download the output. Everything happens in your browser.
Why use JSON Formatter?
- Private by design: runs in your browser, nothing is uploaded
- Free with no sign-up and no watermark
- Fast, with no upload or download wait
- Works on phone, tablet and desktop
Common uses for JSON Formatter
- Debug API responses.
- Validate JSON before deploying configuration.
- Minify JSON for production.
Private by design
JSON Formatter runs entirely in your browser. Whatever you type or paste is processed on your device and is never sent to our servers. Read our Privacy Policy for details.
Frequently asked questions
How do I find JSON errors?
Invalid JSON shows an error message describing the problem, which usually points to a missing comma, quote or bracket.
Is JSON Formatter free to use?
Yes. JSON Formatter is free, needs no account and never adds a watermark to your result.
Is my input sent to a server when I use JSON Formatter?
No. JSON Formatter runs in your browser and nothing you enter is sent to our servers.
Does JSON Formatter work on my phone?
Yes. JSON Formatter is fully responsive and works in the browser on Android, iPhone, tablets and desktop computers.
Guides and tips
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