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JWT Decoder

Inspect JWT header and claims; optionally verify HS256 locally.

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Optional HMAC secret (HS256 verify, local only)

JWT

Token

Claims

Header

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

Payload

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