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JWT Decoder

Decode JWT (JSON Web Token) header and payload. View claims, expiry, signature. NEVER decode secrets!

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◆ JWT Token

◆ Header

{
  "alg": "HS256",
  "typ": "JWT"
}

◆ Payload

{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022
}

◆ Signature (encoded, can't decode without secret)

SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

◆ How it works

JWT Decoder — 3 simple steps

The token from your auth system

Header & payload as JSON

Check claims, expiry

◆ FAQ

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