← backEncode / Decode
// tool
>_ JWT Decoder
Decode JWT tokens and inspect header and payload
{
"alg": "HS256",
"typ": "JWT"
}{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022
}SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
// learn
JSON Web Token (JWT) is an open standard for securely transmitting information between parties as a JSON object. A JWT consists of three parts: header (algorithm & token type), payload (claims/data), and signature (verification). JWTs are widely used for authentication and API authorization.