Yes. JWT Decoder is free to use and needs no account or sign-up.

Is my data sent anywhere?

No. Everything you enter is processed inside your browser and is not sent to a server.

Does it work offline?

Once the page has loaded, processing needs no internet connection.

Yes. It works in current mobile browsers on Android and iPhone, as well as on desktop.

Decoding does not verify the signature. Never trust a token just because it decodes.

Decode the header and payload of a JSON Web Token and show its expiry.

Is JWT Decoder free?: Yes. JWT Decoder is free to use and needs no account or sign-up.
Is my data sent anywhere?: No. Everything you enter is processed inside your browser and is not sent to a server.
Does it work offline?: Once the page has loaded, processing needs no internet connection.
Does it work on phones?: Yes. It works in current mobile browsers on Android and iPhone, as well as on desktop.
Are there any limitations?: Decoding does not verify the signature. Never trust a token just because it decodes.

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