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Developer
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting
All processing happens in your browser. No data is sent to any server.
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JSON Formatter
Format, beautify, and validate JSON instantly with this free online JSON formatter. Paste minified or messy JSON to get clean, properly indented output, spot syntax errors, and copy or download the result. Everything runs locally in your browser.
FAQ
- Does the formatter validate my JSON?
- Yes. If your JSON has a syntax error, the tool highlights the problem so you can fix it before formatting or copying.
- Can I minify as well as beautify?
- You can pretty-print JSON with clean indentation for readability, and the formatted output is easy to copy or download.
- Is my JSON sent anywhere?
- No. Formatting and validation happen entirely in your browser, so confidential data stays on your device.