2FAFast Authenticator 作者： Shoyeb Akter

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.