JWT Visualizer & Debugger

Security

Decode, verify, and debug JSON Web Tokens (JWT) locally.

JWT Token

Paste your JSON Web Token to decode and visualize its contents

Encoded Token

Your token is decoded locally in your browser and kept in memory only. Nothing is sent or stored. Clearing the page wipes it.

Enter a JWT above to see the decoded details here.

Header, payload, and signature appear side by side.