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Tom Utilities

Validateur JSON

Outils JSON

Vérifie si votre JSON est valide et affiche une explication claire de tout problème de syntaxe.

Entrée

Résultat

Comment utiliser

How to validate JSON

Paste JSON and press Validate. A valid document is confirmed immediately, an invalid one reports the reason.

  1. Paste JSON into the input editor.
  2. Press Validate.
  3. Read the status message and fix the reported issue.

Questions fréquentes

Which JSON specification is used?

The validator follows RFC 8259, the same grammar used by JSON.parse in every modern browser.

Does it allow comments?

No. Standard JSON does not allow comments, so they are reported as errors.