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Decode JWT tokens and inspect header, payload, expiry, and claims
Discover the powerful capabilities of our jwt decoder.
Instantly decode and pretty-print the JWT header and payload as formatted JSON
Automatically detect if the token is expired or when it expires, with time remaining
Show the signing algorithm (alg) and token type (typ) from the header
Convert iat, exp, and nbf Unix timestamps to readable date/time strings
Clear error messages for malformed, truncated, or invalid JWT tokens
Your tokens never leave your browser — no server processing, no logging
Follow these steps to get started
Copy a JWT token (starting with eyJ...) and paste it into the input field
Hit the button to decode and display the header, payload, and signature
Review claims like sub, name, iat, exp, and any custom claims in your token
See if the token is still valid or when it expired
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Your feedback helps us improve the tool and provide a better experience for everyone.
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