JSON Prettifier

Free JSON tool online — no sign-up. Format, validate, beautify, and convert your JSON data. 100% client-side and private.

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Indent

Sort keys A-Z

Line numbers

Escape Unicode

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Valid JSON ✅

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Free JSON tool online — no sign-up. Format, validate, beautify, and convert your JSON data. 100% client-side and private.

Prettify = format with indentation