JWT Decoder Pro
DesenvolvedorDecode JWT headers and payloads locally with readable inspection output and expiry visibility.
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Como usar JWT Decoder Pro
Paste a JWT and decode the header and payload locally so you can inspect claims, expiry values, and token structure without sending the token to a server. This tool is useful for debugging authentication flows, API integrations, environment issues, and claim formatting during development. It is intentionally honest: decoding a token is not the same thing as verifying its signature.
Paste the JWT
Add the full token string including header, payload, and signature sections.
Decode the token
Generate a readable view of the JWT header and payload.
Inspect claims
Review important values such as exp, iat, iss, aud, sub, roles, or custom claims.
Use it for debugging
Apply the decoded output to debug auth issues, claim problems, or token-shape mismatches in development.