YoBlackBox - Password Manager

AES-256 encrypted local storage, no cloud, more secure. Fast Face ID & fingerprint unlock. One-tap encrypted sharing for individual entries. Quick import/export backup.

YoBlackBox is a local password manager focused on data security. All data is encrypted with AES-256 and stored locally on your device. No network connection required, no account registration. Your privacy is fully under your control.

【Core Features】

• Bank-grade encryption: AES-256 with PBKDF2 key derivation provides military-level protection for your passwords, accounts, bank cards, and other sensitive data
• Biometric unlock: Face ID / Touch ID support for fast access, combining security and convenience
• Smart password generator: One-tap generation of strong random passwords; customize length, uppercase, lowercase, digits, and special characters; real-time strength indicator
• Category & tag management: Flexible categories and a colored tag system make it easy to manage website logins, bank cards, social accounts, software licenses, and more
• Fast search & filter: Keyword search, filter by category and tag – locate any entry in seconds
• Secure sharing: Share individual entries via AES-256-GCM end-to-end encryption; set an independent password and expiration for each share
• Encrypted backup & restore: Export encrypted .bbx backup files, also support plain-text import/export for easy device migration
• Dark mode: Built with Material Design principles, automatic switching between light and dark themes
• Fully offline: All data stored locally, no cloud sync, zero risk of data leaks

【Security Commitment】

• The app never sends your private data to any server
• No account creation required; no email or phone number binding
• Uses internationally recognized algorithms (AES-256, PBKDF2, SHA-256) – secure and verifiable

【Use Cases】

• Manage dozens or hundreds of passwords for websites, apps, etc.
• Securely store bank card information
• Keep software license and activation codes
• Save important identification numbers
• Safely share a single account entry with family or team members

【Privacy Statement】 All encrypted data is stored only on your local device. Developers cannot access your data. Even if your device is lost, without the master password your data cannot be decrypted.

Your feedback is invaluable. For any questions or suggestions, please contact us at: admin@yoelephant.com

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