Tools

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) to view header, payload, and signature information

Tools/JWT Decoder

JWT Token Input

Token Information

â„šī¸ About JWT

  • JSON Web Token standard
  • Header contains algorithm info
  • Payload contains claims data
  • Signature ensures authenticity
  • Base64 URL encoded

âš ī¸ Security Notes

  • Never expose secret keys
  • Check expiration times
  • Validate signature server-side
  • Use HTTPS for transmission
  • Keep tokens short-lived