Security

JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and expiry status. Signature is not verified.

Runs locally

JWT Token

Header

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

Payload

{
  "sub": "user_123",
  "name": "Alice",
  "iat": 1700000000,
  "exp": 1700086400
}

Claims Summary

Subject (sub)

user_123

Issued At (iat)

Tue, 14 Nov 2023 22:13:20 GMT

Expiry (exp)

Wed, 15 Nov 2023 22:13:20 GMT · Expired

⚠ Signature is not verified. This tool only decodes the token. It does not validate authenticity.