JWT Decoder
Decode and verify JWT tokens
This free online jwt decoder runs in your browser and is part of our Developer Tools collection.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT). View header, payload, and signature.
About JWT:
- JWT consists of three parts: Header, Payload, and Signature
- Header contains token type and signing algorithm
- Payload contains claims (user data, expiration, etc.)
- Signature is used to verify the token's authenticity
- Common claims: iss (issuer), sub (subject), exp (expiration), iat (issued at)
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