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JWT Decoder

Decode a JWT's header and payload — entirely client-side. This does not verify the signature.

Valid until 5/18/2033, 3:33:19 AM
{
  "alg": "HS256",
  "typ": "JWT"
}
{
  "sub": "usr_1a2b3c",
  "name": "Ada Lovelace",
  "role": "admin",
  "iat": 1700000000,
  "exp": 1999999999
}
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