JWT Decoder

Decode JSON Web Tokens to inspect claims without verifying.

JWT token

Header

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

Payload

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

Inspection only. We never verify signatures here — never trust decoded claims without server-side verification.

À propos de cet outil

Paste a JWT and see the header and payload in human-readable JSON. For inspection only — always verify signature on the server.

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