Decodificador de Token JWT
Decodifica e inspecciona tokens JWT en linea. Visualiza header, payload y firma al instante.
Referencia de estructura JWT
Estructura JWT
Un JWT consta de tres partes codificadas en Base64URL separadas por puntos: Header.Payload.Signature
Header
Algorithm + Type
.
Payload
Claims / Data
.
Signature
Verification
Campos del Header
| Field | Name | Description |
|---|---|---|
| alg | Algorithm | Signing algorithm (HS256, RS256, ES256, etc.) |
| typ | Type | Token type, typically "JWT" |
| kid | Key ID | Identifier for the signing key used |
| jku | JWK Set URL | URL to the JSON Web Key Set |
| x5u | X.509 URL | URL to the X.509 certificate chain |
Claims registrados del Payload
| Claim | Name | Description |
|---|---|---|
| iss | Issuer | Entity that issued the JWT |
| sub | Subject | Subject of the JWT (user ID) |
| aud | Audience | Recipient(s) the JWT is intended for |
| exp | Expiration | Timestamp after which the JWT expires |
| nbf | Not Before | Timestamp before which the JWT is not valid |
| iat | Issued At | Timestamp when the JWT was issued |
| jti | JWT ID | Unique identifier for the JWT |
Preguntas frecuentes
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