UU Authenticator: TOTP, 2FA & Cloud Sync

by UU · Privacy & Security

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

2FA and TOTP authenticator with QR import, groups, backups, dark mode, and end-to-end encrypted cloud sync.

Users

−6 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#272K

#226K among extensions

Version

1.0.1

updated 21 Jul 2026

Users

monthly, 3 months

Latest, 15 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About UU Authenticator: TOTP, 2FA & Cloud Sync

View and manage 2FA/TOTP codes without leaving your current tab. UU Authenticator is a lightweight, local-first authenticator. Key features • Scan a QR code from the current tab, paste QR content, or upload a QR image • Add secrets manually and configure service, account, algorithm, digits, period, and group • Organize accounts into groups, search quickly, and drag to reorder codes • Light, dark, and system themes, plus a compact view • Interface available in 12 common languages • Import or export plain JSON and password-protected encrypted JSON • Move authenticator accounts between devices with migration QR codes • Optional auto-lock when the popup closes or after an idle timeout • After sign-in, the client encrypts the vault with AES-GCM before cloud sync