JWT Decoder
Paste a JSON Web Token to decode and inspect its header, payload, and signature.
Free Online JWT Decoder
Decode and inspect JSON Web Tokens (JWT) instantly in your browser. View the header algorithm and type, inspect payload claims like expiration, issuer, and subject, and see the raw signature. Everything runs client-side — your tokens never leave your browser. Perfect for developers debugging authentication flows, OAuth tokens, and API integrations. No signup required.
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