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Decode token payloads without sending secrets anywhere.
Format, decode, generate, and validate developer data locally.
UseDaily's free JWT decoder instantly decodes JSON Web Token headers and payloads without requiring the signing secret. Inspect token claims, verify expiry timestamps, and review issuer and audience fields — entirely in your browser, never uploaded anywhere.
Paste your JWT token into the input panel. The decoder automatically splits and decodes the header and payload sections, displaying all claims in readable JSON format.
Reads both the algorithm header and all payload claims from any valid JWT.
Inspect token contents without needing the signing secret — the payload is always base64url decodable.
Shows exp and iat values as readable dates so you can verify whether a token has expired.
All processing happens in your browser. Your data is never sent to any server.