In a world where everything is connected – and constantly watched – Dexter takes a different path.
Features • Screenshots • Download • Tech Stack • Contributing
Your passwords stay completely offline, fully encrypted, and entirely yours. No servers, no tracking, no data sharing – just pure privacy and control.
Born out of Forgetfulness, Built for Security 🚀
Ever found yourself locked out of your own accounts because you forgot a password? Wi-Fi passwords, bank PINs, online logins… That's when Dexter was born – a secure offline password manager that keeps all your sensitive info in one place.
All your passwords are stored locally and encrypted on your device with 256-bit AES encryption. Nothing ever leaves your phone – keeping you safe from online breaches, hackers, and AI data collection.
- Folders: Organize passwords into custom folders for work, personal, banking, and more
- Favorites: Mark important passwords as favorites for one-tap access
- Search & Filter: Quickly find any password with smart search
- Drag & Drop: Effortlessly reorganize passwords between folders
- Secure Storage: Store passwords with website links, usernames, descriptions, and notes
- Password Generator: Create strong, cryptographically secure passwords with one tap
- Visibility Toggle: Show/hide individual passwords for extra security
- Quick Copy: Copy passwords to clipboard with a single tap
- Activity History: Track all password changes, additions, and deletions
- Time-Based Filters: View history by past week, month, or 6 months
- Auto-Cleanup: Automatically removes history older than 6 months
- Face ID / Touch ID (iOS): Quick and secure access
- Fingerprint (Android): Biometric authentication
- Passcode Fallback: Always accessible with your device passcode
- Guided Setup: First-time setup wizard for biometric authentication
- Local Exports: Export your encrypted data as
.jsonfiles - Easy Restore: Import your data back anytime
- Full Control: Your data, your backups, your timeline
- Light & Dark Themes: Switch themes to suit your style and reduce eye strain
- Modern UI: Clean, intuitive design with smooth animations
- Responsive Design: Optimized for phones and tablets
- Regular updates with bug fixes and new features
- Community-driven development
- Privacy-focused roadmap
| Launch Screen | Home Screen | Passwords | Favorites |
|---|---|---|---|
 |  |  |  |
| Organizer | History | Settings |
|---|---|---|
 |  |  |
iOS: Requires iOS 12.0 or later
Android: Requires Android 8.0 (API 26) or later
Dexter is built with cutting-edge technologies to ensure security, performance, and reliability:
- Flutter - Cross-platform UI framework
- Dart - Programming language
- Riverpod 3.0 - Modern state management
- Hive - Lightning-fast local database
- 256-bit AES Encryption - Military-grade data encryption
- local_auth - Biometric authentication
- Face ID, Touch ID, Fingerprint support
- flutter_speed_dial - Floating action buttons
- flutter_svg - SVG rendering
- url_launcher - Open links in browser
- file_picker - Import/Export functionality
- intl - Date formatting
- device_info_plus - Device information
- Offline password storage with AES-256 encryption
- Folder organization and favorites
- Password generator
- Biometric authentication
- Import/Export functionality
- Activity history tracking
- Light/Dark theme support
- Password Strength Analyzer
- Autofill Integration: Auto-prompt passwords in other apps (Android & iOS)
- Secure Notes: Store encrypted text notes
- Personal Cloud Sync: Optional self-hosted cloud backup
- Browser Extensions: Chrome, Firefox, Safari extensions
- Two-Factor Authentication (2FA): Built-in 2FA token generator
- Breach Monitoring: Check if passwords appear in data breaches
Vote on features or suggest new ones by opening an issue!
We welcome contributions from the community! Whether it's bug fixes, new features, or documentation improvements.
- Fork the repository
- Create a feature branch
git checkout -b feature/amazing-feature
- Commit your changes
git commit -m 'Add some amazing feature' - Push to the branch
git push origin feature/amazing-feature
- Open a Pull Request
Please read my Code of Conduct before contributing.
- Follow Flutter best practices
- Write clean, documented code
- Test thoroughly on both iOS and Android
- Maintain privacy-first principles
- ✅ No accounts required - Use immediately without signup
- ✅ 100% offline - No internet connection needed, no cloud syncs
- ✅ No data collection - We don't track, log, or analyze anything
- ✅ No third-party services - No analytics, no ads, no tracking
- ✅ Open source - Code is transparent and auditable
- ✅ Local encryption - 256-bit AES encryption on your device
- Use strong biometric authentication
- Regular backups - Export your data periodically
- Keep your device secure - Lock screen with PIN/biometric
- Update regularly - Install app updates for security patches
This project is licensed under the Apache License 2.0 - see the LICENSE file for details.
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
Copyright 2026 Deb Adarsh
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
- 📧 Email: debadarsh7@gmail.com
- 🌐 Website: theadarsh.dev
- 🐛 Bug Reports: GitHub Issues
- 💡 Feature Requests: GitHub Discussions
- ⭐ Star this repo to show your support
- 👀 Watch for updates and releases
- 🍴 Fork to contribute your own features
Made with ❤️ and a lot of ☕