Validateur JSON

Validez le JSON avec positions d'erreur précises.

Traité localement dans votre navigateur — vos fichiers ne quittent jamais votre appareil.

Input is parsed only — never executed as code.

Mode d'emploi

  1. 1Paste the text to validate.
  2. 2Click Validate and read the verdict.

Check whether text is valid JSON. Errors report the message plus line and column numbers. JSON is only parsed — never executed.

Questions fréquentes

Is validation safe?

Yes. Input is parsed with JSON.parse only; nothing is ever executed as code.

Is my data uploaded?

No. Validation happens entirely in your browser.

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