2FAFast Authenticator

Free, offline 2FA authenticator. Unlimited accounts, QR export/import, works with Google Authenticator, Authy, and any TOTP app.

2FAFast Authenticator is a free, privacy-first two-factor authentication extension that works 100% offline no account, no cloud sync, no data ever leaves your browser. ✦ FEATURES • Unlimited TOTP accounts (Google, GitHub, Dropbox, any service) • Scan QR codes directly from your screen, webcam, or image file • Export & import accounts as QR codes (Google Authenticator compatible) • Optional password lock with AES-256-GCM encryption • Account categories and search • One-click code copy with countdown timer • Works offline all computation happens in your browser ✦ PRIVACY & SECURITY • Zero telemetry no analytics, no tracking • Secrets stored locally in chrome.storage.local only • Optional vault lock with PBKDF2 key derivation • No permissions to read your browsing history or page content ✦ COMPATIBLE WITH Google Authenticator, Authy, Microsoft Authenticator, and any TOTP/RFC 6238 app.