Offline TOTP authenticator with custom timer intervals and encrypted backups.
Users
21
+3 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#151K
#126K among extensions
Version
1.0.0
updated 7 Apr 2026
Users
monthly, 7 months
Latest, 21 Oct 2026:21 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 21 Oct 2026:2 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 2FA Auth App
Short Description
Secure 2FA authenticator with custom TOTP intervals, encrypted backup import/export, and master password protection.
Detailed Description
2FA Auth App is a simple and secure Chrome extension for managing time-based one-time passwords (TOTP) directly in your browser.
Features:
Generate TOTP codes for your accounts
Support custom timer intervals from 30 to 300 seconds
Add accounts using Base32 secrets or otpauth:// URIs
Import QR code images to quickly add 2FA accounts
Protect the vault with a master password
Store accounts in an encrypted local vault
Export and import encrypted backup files
Copy active OTP codes with one click
Works offline with local browser storage only
Security:
Your saved accounts are encrypted locally
Backup exports are password protected
No external server is required for OTP generation
Data stays on the user’s device unless they export it manually
Ideal for users who want a lightweight browser-based authenticator with backup and restore support.