JSON Web Token (JWT) Decoder
Decode JWT token headers and payload claims instantly. 100% private and processed locally on your client machine without sending keys to any server.
Encoded JWT Token
Valid JWT Format🔒 Client-Side Security Guarantee
Your tokens and authorization headers are never transmitted across the network.
Decoded Token Output
Header (Algorithm & Token Type)
{
"alg": "HS256",
"typ": "JWT"
}Payload (Claims & User Data)
{
"sub": "1234567890",
"name": "Alice Doe",
"admin": true,
"iat": 1516239022
}Signature Hash
SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c