2FA Authenticator

Securely generate two-factor authentication codes directly in your browser.
No data is sent to any server. All processing happens locally.

Add Authenticator
Enter your authenticator details to generate codes

A name to identify this authenticator

The secret key from your authenticator setup

How it works

  1. Enter a label for your authenticator (e.g., "Gmail", "GitHub")
  2. Enter the secret key provided during 2FA setup
  3. Click "Add Authenticator" to start generating codes
  4. Use the generated codes to authenticate with your service

Secure by design

All data is stored locally in your browser. Your secret keys never leave your device and no data is sent to any servers. The page works offline once loaded.