CloudOTP

CloudOTP is a modern, cross-platform two-factor authenticator built with Flutter.

It supports Android, Windows, and Linux, offering secure cloud backups, powerful token management, and a polished UI optimized for mobile, tablet, and desktop.

🚀 Highlights

🌐 Cross-Platform Support

• Built with Flutter, runs seamlessly on Android, Windows, and Linux
• UI fully optimized for mobile, tablet, and desktop environments

🔐 OTP Protocols

• Supports TOTP, HOTP, MOTP, Steam, and Yandex token algorithms

➕ Token Management

• Add tokens via QR code scanning, image recognition, or manual entry
• Custom icons and categories
• Flexible layout modes: Simple, Compact, List, and Spotlight
• Supports sorting and searching for quick access

🌓 Themes & UI

• Fully responsive and adaptive UI for all device sizes
• Supports dark mode, multiple color themes, and multi-language UI

☁️ Backup & Sync

• Supports local and automatic cloud backup
• Integrates with WebDAV, OneDrive, Dropbox, S3, Google Drive, Box, Huawei Cloud, Aliyun Drive

🔁 Import/Export

• Export/import as encrypted files or URI lists
• One-click import from: Aegis, andOTP, Bitwarden, EntAuth, FreeOTP+, Google Authenticator, 2FAS, TOTP Authenticator, WinAuth

🛡️ Security

• Encrypted database storage
• Supports gesture password for app access
• Supports biometric unlock

📦 Installation

📱 Android

Choose the correct ABI. If unsure, use the universal version.

Variant	Description
arm64-v8a	For modern 64-bit Android devices (recommended for most users)
armeabi-v7a	For most older 32-bit Android devices
x86_64	For Android emulators or specific x86 tablets (not for regular devices)
universal	Supports all CPU architectures, larger file size (recommended for most)

💻 Windows

Variant	Description
Installer (.exe)	Standard Windows installer with Start Menu integration and auto-updates
Portable (.zip)	No installation required, can be run from any folder or USB stick

Note: Currently, only x86_64 (64-bit) Windows systems are supported.

🐧 Linux

📦 Recommended: Flatpak

Install via Flathub:

flatpak install flathub com.cloudchewie.cloudotp

Once installed, launch it via your app menu or by running:

flatpak run com.cloudchewie.cloudotp

📥 Direct Downloads

Architecture	Formats Available	Notes
x86_64	.deb, .tar.gz	For most modern Linux systems
arm64	.deb, .tar.gz	For devices like Raspberry Pi

🧪 Development Setup

git clone https://github.com/Robert-Stackflow/CloudOTP.git
cd cloudotp
flutter pub get
flutter gen-l10n
cd third-party/chewie
flutter gen-l10n
cd ../../
flutter run -d windows   # or android, linux

📝 Roadmap

• iOS support (via macOS build)
• Custom theme
• Import custom icons

🤝 Contributing

Contributions, issues and feature requests are welcome!

Feel free to check the issues page or submit a PR.

📄 License

This project is licensed under the GPL-3.0 License - see the LICENSE file for details.

📷 Screenshots