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JWT Decoder
Developer Utilities

JWT Decoder

Decode JWT headers and payloads locally

Decoded locally in your browser. Tokens never leave your device.

This tool decodes JWTs only. It does NOT verify signatures.

Accepted upload: .txt · max 5 MB. Tokens are decoded locally and never leave your browser.

JWT

Paste a token — header and payload decode automatically.

0 charactersProcessed locally

No JWT yet

Paste a token or load the sample to inspect its header and payload.

Tags

jwtdecodetokensecurity

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