Google Authenticator vs Authy vs OTPSync: Best 2FA for Chrome in 2026

All three apps generate the same standard TOTP codes — the differences that actually affect you are where the codes live, how backup works, and what happens at the login moment. Full disclosure up front: OTPSync is our product. We'll keep the comparison factual and note where the other tools win.

At a glance

Google Authenticator: the default, and its limits

Where it wins: it's free, ubiquitous, dead simple, and every service documents it. Since 2023 it syncs codes through your Google Account, so a lost phone no longer means lost codes — a real improvement over the old days.

Where it costs you: there is no desktop or browser version at all, so every computer login is a phone round-trip. And the account sync is not end-to-end encrypted by default, meaning the seeds are technically readable by Google and exposed if your Google Account is compromised. Its export QR feature is genuinely good, though — it's the escape hatch every other tool uses. (Here's how to use it to move to desktop.)

Authy: multi-device pioneer, desktop orphan

Where it wins: Authy proved people want 2FA on more than one device, with encrypted cloud backup years before Google. The mobile apps remain solid and free.

Where it costs you: the desktop apps were shut down in March 2024, ending its answer to the computer-login problem. Identity is tied to your phone number — the exact credential SIM-swap attacks steal — and there is no official export, so leaving means re-enrolling accounts one by one. We covered the fallout and alternatives in Authy Desktop alternatives.

OTPSync: 2FA where desktop logins actually happen

Where it wins: OTPSync is built for the browser-first case. Codes generate inside Chrome; right-click autofill fills the OTP field without tab-switching or copy-paste; "scan current tab" enrolls new sites without a camera. Backup is zero-knowledge: the vault is encrypted locally (AES-256-GCM, PBKDF2 with 600,000 iterations) before anything is uploaded to your Google Drive or OTPSync Cloud — the server only ever stores ciphertext, and there's no phone-number identity to hijack. Migration from Google Authenticator is a QR-image upload. Pricing is a one-time $15 for Premium (unlimited devices/secrets) rather than a subscription.

Where it doesn't fit: it lives in Chromium browsers. If you need codes with no browser open — or on your phone — keep a mobile app alongside it; TOTP happily runs in both at once. And zero-knowledge cuts both ways: if you lose your Master Passcode and recovery phrase, nobody can reset it for you.

Which should you pick?

• You log in mostly on a computer → OTPSync. The autofill flow is the whole point; the free tier covers one device to try it.
• You log in mostly on your phone → Google Authenticator is fine — ideally alongside a desktop companion, since the two can hold the same accounts.
• You're on Authy today → the desktop door is closed; plan your migration while you still have working mobile access. (Guide.)
• You want maximum assurance → pair any TOTP app with a hardware security key where sites support it, and store recovery codes in a password manager.

Whatever you choose, the secrets are portable — enroll once, and you can carry them to better tools as your workflow changes. That's the quiet advantage of an open standard.

Comparing browser extensions instead of mobile apps? See OTPSync vs the Authenticator extension — the #1 incumbent on the Chrome Web Store.