JWT Debugger & Verifier
Decode, inspect claims, and verify JSON Web Token (JWT) signatures in real time.
Encoded Token
Token Active
Header (Algorithm & Token Type)
{
"alg": "HS256",
"typ": "JWT"
}Payload (Data & Claims)
{
"sub": "1234567890",
"name": "John Doe",
"admin": true,
"iat": 1516239022,
"exp": 1899999999
}Signature Verification
Verify token integrity against an HMAC secret key (HMAC-SHA256).