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Decodeur JWT

Decodez un JWT dans une vue lisible afin de consulter les champs d en-tete, les claims et les informations d expiration sans verifier la signature.

code_blocks Codehourglass_top Resultat en attente

Jeton JWT

Etat

HS256

Structure valide

Algorithme

HS256

Type

JWT

Sujet

ggotem-user-123

Emetteur

gogotem.com

Audience

tool-directory

Emis le

1 janv. 2024, 00:00

Valide a partir de

1 janv. 2024, 00:00

Expire le

1 janv. 2030, 00:00

En-tete

{
  "alg": "HS256",
  "typ": "JWT"
}

Payload

{
  "sub": "ggotem-user-123",
  "name": "Gogotem Demo",
  "iss": "gogotem.com",
  "aud": "tool-directory",
  "iat": 1704067200,
  "nbf": 1704067200,
  "exp": 1893456000
}

Signature

signature-not-validated

Cet outil decode seulement la structure du jeton. Il ne verifie pas la signature.

Mode d'emploi

The tool reads the JWT header and payload with Base64URL decoding so you can inspect claims such as alg, iss, sub, aud, iat, nbf, and exp quickly.

Points cles

Review exp, iat, and nbf first to confirm token timing.
Check whether the alg header matches the signing method you expect.
Use server-side verification before trusting the token in production.

Questions frequentes

Does this tell me whether the token is safe?expand_more

No. It helps you inspect the structure, but trust and authenticity require signature verification elsewhere.

Can I open a token without validating it?expand_more

Yes. If the segments are valid Base64URL, the header and payload can be decoded for inspection without verifying the signature.

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Code

Decodeur JWT

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Points cles

Questions frequentes

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