2FA Auth App

Offline TOTP authenticator with custom timer intervals and encrypted backups.

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.