Authenticator — Private, Offline 2FA You Can Trust
Authenticator is the privacy-first 2FA app from Vidus6. It generates TOTP codes fully offline, syncs every account end-to-end encrypted across iPhone, iPad, Mac and Android, and lets you import your entire Google Authenticator vault in minutes.
Everything You Need to Secure Every Login
Authenticator is a complete 2FA toolkit built around zero-knowledge encryption. Generate TOTP codes offline, sync end-to-end encrypted, and keep every account safe across all your devices.
Instant QR & Secret Import
Authenticator scans QR codes from camera or screen and accepts pasted secrets in one tap for instant account onboarding, with no fiddly setup.
Works Fully Offline
Authenticator works fully offline so you can generate verification codes anywhere — on a plane, in a basement, or with no Wi-Fi at all.
Biometric App Lock
Authenticator locks the entire app behind Face ID, Touch ID, or a passcode so your 2FA codes stay safe even on a shared or lost device.
Zero-Knowledge Encryption
Authenticator generates TOTP codes fully on-device using zero-knowledge encryption with a key that never leaves your device — we literally cannot see your secrets.
End-to-End Encrypted Sync
Authenticator backs up and syncs every account end-to-end encrypted across iPhone, iPad and Mac so your codes are always within reach, never exposed in transit.
Google Authenticator Import
Authenticator imports the entire Google Authenticator vault on-device in minutes — no manual re-scanning and no exported secrets leaving your device.
2,000+ Setup Guides
Authenticator ships with 2,000+ step-by-step 2FA setup guides covering the services people actually sign in to every day, so you're never stuck.
See Authenticator in Action
A closer look at the features that help you secure your logins with Authenticator every day.
Secure Every Login in 3 Simple Steps
- 1
Download Authenticator
Download Authenticator on iPhone, iPad, Mac or Android and unlock it instantly with Face ID, Touch ID or a passcode — no account required.
- 2
Add Your Accounts
Add accounts in seconds by scanning a QR code, importing your entire Google Authenticator vault, or pasting a secret directly into Authenticator.
- 3
Sign In Anywhere
Open Authenticator whenever a service prompts for a 2FA code and it generates a fresh TOTP code, online or offline, on every device you own.
What is Authenticator?
Authenticator by Vidus6 is a privacy-first two-factor authentication app for iPhone, iPad, Mac and Android. It generates TOTP codes on-device, syncs them end-to-end encrypted across your devices, and replaces SMS codes and hardware tokens with a clean, modern experience.
Does Authenticator work offline?
Yes. Authenticator generates TOTP codes entirely on-device and works without any network connection, so you can sign in even on a plane or in a basement — no Wi-Fi, no signal, no problem.
How does backup and sync work?
Authenticator encrypts your accounts end-to-end before they leave your device, then syncs them across iPhone, iPad and Mac. Your secrets are never visible to us — only your devices can decrypt them.
Can I import from other authenticators?
Yes. Authenticator can import your full Google Authenticator vault in minutes, scan QR codes from your camera or screen, or accept pasted secrets to bring existing accounts in effortlessly.
Will Authenticator support browser extensions and watchOS?
Both are in active development. Join the waitlist on our website to be notified the moment the Authenticator browser extension and watchOS companion go live.
Does Authenticator share data with analytics providers?
Usage analytics in Authenticator are opt-in and privacy-safe. We never share your secrets, account names, or any identifier tied to the services you protect — full stop.
Secure Every Login with Authenticator
Download Authenticator free today and replace SMS codes with a private, offline 2FA app that just works.
