{ } JSON Formatter & Validator

Format, beautify, minify and validate JSON. Runs in your browser.

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Free JSON Formatter & Validator

Instantly format, beautify, minify and validate JSON data. Supports 2-space and 4-space indentation. Highlights errors with line numbers. All processing happens in your browser — your data never leaves your device. Perfect for developers and API debugging. No account required, completely free.