Protect your online accounts and personal data with LockDataOut OTP — a modern, privacy-first 2FA and TOTP authenticator designed with hardware-backed Zero-Knowledge encryption.

In an era of frequent data breaches and cyber threats, a password alone is no longer enough. LockDataOut OTP generates secure time-based two-factor authentication (2FA) codes to safeguard your accounts across Google, GitHub, Amazon, crypto exchanges, and banking portals.

⚡ WHY CHOOSE LOCKDATAOUT OTP?

• Standard RFC TOTP & HOTP Support
Fully compatible with standard RFC 6238 (TOTP) and RFC 4226 (HOTP) protocols, supporting SHA-1, SHA-256, and SHA-512 hashing algorithms.

• Ultra-Fast QR Code Scanner
Add accounts in one second using the integrated CameraX QR scanner or enter secret keys manually.

• Zero-Knowledge Security Architecture
Your 2FA secrets and master keys are encrypted locally using AES-256/GCM via the Android Keystore system. Your data never leaves your device and is strictly inaccessible to anyone else, including the app developers.

• 100% Offline Functionality
No network connection required. All OTP verification codes are calculated offline directly on your device.

• Biometric & PIN Protection
Keep your 2FA codes secure behind biometric lock (Fingerprint / Face unlock) or a custom PIN code.

• No Ads, No Analytics, No Tracking
Zero third-party trackers, zero telemetry SDKs, and zero advertisements. Your privacy is guaranteed.

• Encrypted Backup & Restore
Safely back up and restore your token database using local password protection for easy device migration.

QUICK START IN 3 STEPS:
1. Open LockDataOut OTP and tap the "+" button.
2. Scan the 2FA QR code provided by your online service.
3. You're set! Use the generated 6 or 8-digit OTP code to log in securely.

Download LockDataOut OTP today and experience true offline two-factor security!