JWT Studio
Decode JWT headers, payloads and expiration dates locally. This does not verify a signature.
Settings
Result
Tool usage statistics
The token is decoded on your device. Neither tokens nor decoded claims are sent to the analytics database. Decoding does not verify the signature, issuer or trustworthiness of claims. Optional statistics record actions and size only.
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Using JWT Studio
Decode JWT headers, payloads and expiration dates locally. This does not verify a signature.
Try it
Paste a three-part JWS token to inspect its alg, exp and nbf fields. Decoded claims must not be treated as authenticated.
Processing & privacy
The token is decoded on your device. Neither tokens nor decoded claims are sent to the analytics database. Decoding does not verify the signature, issuer or trustworthiness of claims. Optional statistics record actions and size only.