2FAFast Browser Extension

Your 2FA codes, always one click away. Free, offline, unlimited accounts.

Add to Chrome Add to Firefox

Unlimited accounts

Add as many 2FA accounts as you need. No limits, no subscriptions, no paywalls.

QR export & import

Export to Google Authenticator, Authy, or any TOTP app. Import from any app via QR code.

Screen QR scanner

Snap a region of any web page to scan a QR code — no need to save images manually.

Webcam scanner

Point your camera at a QR code on paper or another screen to add accounts instantly.

100% offline

All TOTP codes are generated locally in your browser. No internet required, no data sent anywhere.

Optional lock

Protect your vault with a PIN or password. Your secrets are encrypted with AES-256.

Clean, fast, distraction-free

Matching the 2FAFast.com design — dark mode, instant copy, service logos, and a countdown ring so you always know how long your code is valid.

[Extension screenshots coming soon]

Chrome / Edge / Brave

Works on any Chromium-based browser via the Chrome Web Store.

Add to Chrome

Available now on the Chrome Web Store

Firefox

Available for Firefox via Firefox Add-ons (AMO).

Add to Firefox

Available now on Firefox Add-ons

Frequently Asked Questions

Yes. All your 2FA secrets are stored locally in your browser using chrome.storage.local — they never leave your device. The extension has no server, no analytics, and no ads.
Yes, 100% offline. TOTP codes are generated by your browser using the Web Crypto API. No internet connection is needed after installation.
Yes. You can export your accounts as Google Authenticator migration QR codes (otpauth-migration:// format), or as standard QR codes compatible with any authenticator app.
When you enable a PIN or password, your secrets are encrypted with AES-256-GCM using a key derived via PBKDF2 (200,000 iterations). Your password never leaves your device.
Click "+ Add" → "Scan QR Code" → "Current Tab". A snipping tool will open — draw a rectangle around the QR code and the account is added automatically.
Yes. The extension uses Manifest V3 which is supported by both Chrome and Firefox 109+. Firefox uses the same extension code with a small manifest override.