Developer
JWT Decoder
Decode JWT token header and payload instantly in your browser.
JWT Decoder Workbench
Decode JWT header and payload in-browser. No token upload.
Header
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Payload
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Paste a JWT token to decode header and payload.
FAQ
What does this tool do? JWT Decoder?
It decodes JWT segments locally and shows readable JSON claims without uploading data.
Is my data uploaded?
No. All data is processed locally in your browser and is not uploaded.