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TOTP Authenticator

Generate Time-based One-Time Password codes from Base32 secret keys. Compatible with Google Authenticator and other 2FA apps.

Enter the Base32-encoded secret key from your authenticator setup (e.g. from a QR code URI).

Enter a Base32 secret key to generate TOTP codes

Features

Auto-Refresh

Codes automatically refresh every 30 seconds with a visual countdown timer.

Standard TOTP

RFC 6238 compliant. Compatible with Google Authenticator, Authy, and all standard 2FA implementations.

Secure

All TOTP generation happens locally using Web Crypto API. Your secret keys never leave your browser.