JSON Formatter & Beautifier — Free & Private (In-Browser)
Format, beautify, and minify JSON in your browser. Choose indent size and copy clean output. Your data is never uploaded. Free.
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How to use JSON Formatter
- 1Paste your input into the box, or upload a file.
- 2Pick the desired output (beautified or minified) and any options.
- 3The JSON Formatter reformats the input locally in your browser.
- 4Copy the result or download it as a file.
JSON Formatter FAQ
- Is my JSON uploaded anywhere?
- No. Formatting and minifying happen locally in your browser. Sensitive data never leaves your device.
- Can I minify as well as beautify?
- Yes — switch between beautified (with your chosen indent) and minified output with one click.