🔐 NextAuth JWT Decoder

Decrypt NextAuth.js / Auth.js session tokens locally in your browser

🛡️ Privacy: Everything runs client-side. Your secret and tokens never leave your browser.

Cookie name: next-auth.session-token or __Secure-next-auth.session-token (v4) | authjs.session-token or __Secure-authjs.session-token (v5)

v4: empty salt | v5: cookie name as salt