ToolsπŸ‡°πŸ‡· KO

JWT Decoder

Decode a JWT header and payload

JWT input
Header
Payload
β€» Decodes only; the signature is not verified. Tokens stay in your browser and are not uploaded.
Related
πŸ“Š Base ConverterπŸ“Š Encoder/Decoder
FAQ
What is a JWT?
A JSON Web Token: header, payload and signature joined by dots. Header and payload are Base64URL-encoded.
Does it verify the signature?
No, it only decodes for inspection. Verification needs the secret key and must be done server-side.
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JWT Decoder
Decode the header and payload of a JSON Web Token from Base64URL into readable JSON, and see the expiry (exp) status. Everything runs in your browser; the signature is not verified.
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