JSON Formatter
Format, validate, and minify JSON data. Works entirely in your browser.
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Online JSON Formatter & Validator
A free online tool to format, validate, and minify JSON data. Perfect for developers working with APIs, configuration files, or any JSON data structure.
- Format messy JSON into readable, indented structure
- Minify JSON to reduce file size for production
- Validate JSON syntax with detailed error messages
- All processing happens in your browser — no data is sent to any server