JWT Decoder

Decode and inspect JSON Web Tokens instantly. Everything runs in your browser — no data is sent to any server.

Paste JWT Token

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JWT.ioThe official JWT debugger by Auth0. Decode, verify, and generate JWTs.Auth0 JWT DocumentationLearn how JSON Web Tokens work with interactive introduction and examples.RFC 7519 — JSON Web TokenThe official IETF specification that defines the JWT standard.