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100% Browser-Side · Private & Secure

JWT Decoder

Decode JSON Web Tokens (JWT) safely inside your browser. Inspect headers, payload claims, expiration timestamps, and algorithms with zero server tracking.

Encoded JWT String

100% Client-side decoding. Your secret tokens are never sent to any server.

Token is Active / Valid
Alg: HS256Expires: Fri, 15 Jan 2027 08:00:00 GMT

Header (Algorithm & Type)

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

Payload (Claims & Data)

{
  "sub": "1234567890",
  "name": "Haroon Nawaz",
  "admin": true,
  "iat": 1704111200,
  "exp": 1800000000
}

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