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JSON Formatter & Validator

Paste JSON to check whether it parses, reformat it with readable indentation, or minify it back down. Everything runs in your browser — the JSON you paste is never uploaded to Klyro.

klyro / tools / json-formatter

FreeNo signupIn your browser

Paste JSON

0 lines · 0 B

Indentation

Result

Paste JSON on the left, then choose Format, Minify or Validate. The result appears here.

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Your JSON is processed in your browser and is not uploaded to Klyro. Formatting, minifying and validating all run on this page using your browser's own JSON parser. Nothing you paste is sent to our server, stored or logged, which makes this safe to use on a payload that contains real data. Signed in on Klyro Pro you can choose to save a snippet to your account — that is the only way anything here is stored, and you can delete it at any time.