Authenticator - 2FA & Password

Authenticator is a full-featured 2FA authenticator app focused on privacy and usability. It generates one-time passcodes (OTP) to help you enable two-factor authentication (2FA) for your important accounts.

Whether you log in every day, manage lots of accounts, use multiple devices (phone/tablet/watch), or need backup and migration, Authenticator provides a stable, smooth, and reliable experience.

What you can do with Authenticator

- Enable 2FA for email, social, cloud services, games, work accounts, and more

- Generate codes anytime offline—no internet required

- Stay in sync across devices: quickly view codes on your phone, tablet, or watch

- Use cloud sync plus import/export for a safer, easier device switch or reinstall

Feature overview

1. OTP code generation

- Supports TOTP / HOTP for common 2FA scenarios

- Works offline: generate codes without an internet connection

- Stable timing and refresh: clear validity/refresh behavior to reduce mistakes

1. Fast setup and management

- Add accounts by scanning QR codes

- Manual setup: enter secrets and parameters when QR scanning isn’t available

- Smart image recognition: automatically identifies service info/icons for a clearer list

- Better organization for many accounts, so you spend less time searching for codes

1. Cloud sync & backup (End-to-End Encryption, E2EE)

- End-to-end encrypted cloud sync/backup

- Data is encrypted on your device before syncing; only ciphertext is stored in the cloud

- Keep multiple devices consistent and switch devices seamlessly

- You stay in control: choose whether to enable sync/backup and when to sync (depending on in-app settings)

1. Import / Export (flexible migration and backup)

- Encrypted export for local backup or migration

- Import to restore after switching devices or reinstalling

- Great for device upgrades, multi-device use, and periodic backups

1. Privacy protection and access control

- Biometric lock / device credentials to protect your accounts in the app

- Helps reduce the risk of someone viewing your codes if they access your device

1. Multi-device experience (phone / tablet / watch)

- Phone: add, organize, back up, and sync accounts easily

- Tablet: clearer viewing on a larger screen, great for work and many accounts

- Watch: view codes at a glance for faster access (device support required)

Why choose Authenticator

- Complete feature set: TOTP/HOTP, cloud sync, import/export, smart recognition, biometric lock, plus tablet/watch support

- Less hassle: sync + backup for smoother device switching and reinstalls

- More peace of mind: E2EE + biometric lock for privacy and protection

- Smooth to use: faster setup, faster access, and a better daily experience

Permissions (for transparency and trust)

- Camera: scan QR codes and perform image recognition

- Network: cloud sync and online backup/restore

- Biometric: unlock the app with fingerprint/face/device credentials

Notes

- We recommend enabling cloud sync or exporting encrypted backups regularly to reduce the risk of losing access if your device is lost or damaged.

- Please keep exported backup files and unlock information safe to prevent unauthorized access.