Skip to main content

Code & Data

JWT decoder

Decode a JSON Web Token header and payload and read its dates. The signature is not verified.

  1. 1Fill in the values
  2. 2Click Run
  3. 3See results instantly

Limits

  • Decoded only: the signature is NOT verified, so a decoded token proves nothing about who issued it.
  • Encrypted tokens (JWE) cannot be read, only signed ones (JWS).
  • The token is decoded in your browser and is never sent anywhere.

Ask the AI chat

The AI chat can run this tool for you. Try:

  • “decode jwt eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxIn0.abc”

More in Code & Data