Authenticator provides military-grade security for your online accounts with time-based one-time passwords (TOTP).
Enterprise-grade security features for everyone
Your secrets are encrypted with AES-256 and stored securely in Android KeyStore.
Generate OTP codes without internet connection. Your data never leaves your device.
Automatic time synchronization with visual countdown timer for each code.
Quickly add accounts by scanning QR codes. Supports standard otpauth:// URLs.
Built with privacy and security as the core principles
All secrets are encrypted using AES-256 and stored in the secure Android Keystore system.
We do not collect any personal data, analytics, or usage statistics.
Our core verification library is safely, allowing experts to review the code.
Your accounts are automatically included in Android's encrypted backup system.
Find quick answers to common questions
Yes, Authenticator is completely free.
If you have Android backups enabled, you can restore your accounts on a new device.
Yes, the app provides a secure export feature.
Authenticator works with any service that supports the TOTP standard.
Find solutions, guides, and tutorials
Available in 20+ languages, automatically adapting to your device settings
Default language, complete support
Full Turkish translation available
Spanish language interface
French language interface
German language interface
Russian language interface
Chinese language interface
Japanese language interface
Korean language interface
Italian language interface
Portuguese language interface
Arabic language interface
The app automatically detects your device language and switches to the corresponding interface.
Set your preferred language in your device settings
App automatically loads the corresponding language interface
Full app experience in your native language
Available on Google Play Store
Authenticator Offline TOTP 2FA
