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JWT Decoder

Decode JWT tokens locally, inspect header and payload JSON, review claims, and verify HS256 signatures.

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JWT Decoder

JWT Decoder

Decode JWT tokens locally, inspect header and payload JSON, review claims, and verify HS256 signatures.

Developer tool

JWT input

Paste a JWT and decode its header and payload locally in the browser.

Ready to decode a JWT.

Decoded details

This tool decodes the token structure but does not verify the signature.

Segments 0
Algorithm -
Expiration -
Status -
Signature verification is not performed here. Use this tool to inspect token structure, claims, and expiry only.
Claims overview

    Header

    Decoded JWT header in JSON format.

    Payload

    Decoded JWT payload in JSON format.