JWT Debugger

Decode, verify, and inspect JSON Web Tokens. Supports all major signing algorithms.

Encoded Token
Header
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Payload
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Signature Verification

Standard JWT Claims Reference

issIssuer

Identifies who issued the JWT

subSubject

Identifies the subject of the JWT (usually user ID)

audAudience

Identifies the recipients the JWT is intended for

expExpiration Time

Time after which the JWT must not be accepted

nbfNot Before

Time before which the JWT must not be accepted

iatIssued At

Time at which the JWT was issued

jtiJWT ID

Unique identifier for this JWT

Supported Algorithms

HS256HMAC SHA-256
HS384HMAC SHA-384
HS512HMAC SHA-512
RS256RSA SHA-256
RS384RSA SHA-384
RS512RSA SHA-512
ES256ECDSA P-256
ES384ECDSA P-384
ES512ECDSA P-521
PS256RSA-PSS SHA-256
PS384RSA-PSS SHA-384
PS512RSA-PSS SHA-512
EdDSAEdwards Curve DSA