2FA & OTPProcessed on this device

TOTP Generator

Generate time-based one-time passwords in your browser.

Secret Key & 2FA Setup

2FA secret (Base32)

Advanced settings

Algorithm

Digits

Code period

Security & Standard Support

100% processed locally in-browser, never stored or sent over the internet.
Fully compliant with RFC 6238 (Google Authenticator, Authy, 1Password, Bitwarden).

The secret, setup URI and QR image stay in this browser. They are not stored, added to the URL or sent to the API.

Current code

Waiting for Secret or QR scan

Enter Base32 secret or scan QR code to generate live OTP.

HƯỚNG DẪN • NHANH

Paste or type your base32 secret key, customize period or algorithm if needed, then copy the 6-digit one-time password.

LOCAL • 100%

Secrets and generated TOTP tokens are computed entirely in your browser's RAM using standard HMAC-SHA. Secrets are never sent to any server.

HỖ TRỢ • FAQ

Does SFranKey save my 2FA secrets? No. Secrets are strictly processed locally and disappear when you leave or refresh the page.

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