JWT Decoder

Decode JWT header and payload, inspect claims, and read expiry times locally.

Developer tool

JWT input

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

JWT token

Ready to decode a JWT.

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

Segments

Algorithm

Expiration

Status

Signature verification is not performed here. Use this tool to inspect token structure, claims, and expiry only.

Claims overview

Decoded JWT header in JSON format.

Decoded JWT payload in JSON format.