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JWT Decoder
Decode and inspect JSON Web Tokens. View the header, payload, and verify token structure.
What is a JWT?
JSON Web Tokens (JWT) are a compact, URL-safe way of representing claims between two parties. A JWT consists of three parts: a header (algorithm and type), a payload (claims/data), and a signature for verification.
100% Private: All processing happens locally in your browser. No data is ever uploaded to our servers.