Your data. Only yours.
CryptaVault is a privacy-first, open-source cloud storage system built to fundamentally change how data is stored, accessed, and protected. Unlike traditional cloud platforms that rely on trust in providers, CryptaVault is designed around a zero-knowledge architecture where only the user has access to their data. Every file is encrypted directly on the user’s device before it is ever transmitted, ensuring that no server, administrator, or third party can read or intercept sensitive information. This approach eliminates one of the biggest weaknesses in modern cloud storage—centralized access to user data.
A key feature of CryptaVault is its focus on storage efficiency without compromising security. Files are intelligently broken into chunks, compressed using advanced algorithms, and deduplicated so that identical data is never stored twice. This not only reduces storage costs but also improves synchronization speed across devices. The system uses delta syncing, meaning only the portions of files that change are updated, making it highly efficient for both bandwidth and performance. Combined with encrypted metadata, even file names and folder structures remain completely private.
CryptaVault is also built for seamless cross-device use, supporting mobile, desktop, and web platforms. Users can securely access their files from anywhere while maintaining full control over access permissions. Sharing is handled through encrypted links or device-based authentication, allowing users to grant and revoke access at any time without exposing underlying data. The platform also includes versioning, conflict resolution, and offline access through encrypted local caching, ensuring reliability even in limited connectivity scenarios.
At its core, CryptaVault is powered entirely by open-source technologies and released under the AGPL 3.0+ license, reinforcing its commitment to transparency and community trust. By combining strong encryption, distributed storage, and efficient data handling, CryptaVault aims to set a new standard where privacy is not an optional feature, but the foundation of the entire system.

- CryptaVault – An open-source, zero-knowledge, end-to-end encrypted cloud storage system designed for secure cross-device synchronization, compression-optimized storage, and full user data ownership. AGPLv3
