JSON Formatter
Beautify or minify JSON with options for indentation and key sorting.
Input
Output
Format and beautify JSON — free
Make minified JSON readable in one click. This free JSON formatter pretty-prints your data with clean indentation, can sort keys, and minifies when you need compact output. Everything runs locally in your browser for full privacy.
How to format JSON
- Paste your JSON into the editor above.
- Choose format, minify, or sort-keys options.
- See the beautified result instantly.
- Copy it to your clipboard.
JSON formatter FAQ
Is the JSON formatter free?
Yes — free and unlimited, with no account required.
Does it validate too?
Yes — invalid JSON is flagged so you can fix it before formatting.
Is my data uploaded?
No. Formatting runs entirely in your browser; your data never leaves your device.
Related: JSON Validator | Browse all tools
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