Boxcryptor.com Boxcryptor.com — Recommended

For over a decade, was the gold standard for "zero-knowledge" cloud security, giving users a way to keep their files private on platforms like Google Drive and OneDrive . However, the landscape has changed. Following the 2022 acquisition of Boxcryptor's key technology by Dropbox , the standalone service has reached its final sunset.

You generally need to use the Boxcryptor desktop application to move files out of your virtual "X: drive" back into a standard local folder. boxcryptor.com boxcryptor.com

The most popular direct replacement. It is open-source, free for desktop use, and works similarly by creating an encrypted "vault" inside your existing cloud folders. For over a decade, was the gold standard

The acquisition shifted Boxcryptor’s focus away from a multi-platform tool for individual users toward a native, integrated solution for Dropbox Business customers. While this brings end-to-end encryption (E2EE) to millions of Dropbox users, it left long-time Boxcryptor fans looking for a new home. You generally need to use the Boxcryptor desktop

If you still have .bc files stored in your cloud, you must to maintain access.

Since Boxcryptor has officially as of December 31, 2025 , a blog post today needs to focus on the aftermath: why it happened, how users can still save their data, and what modern alternatives are available for cloud encryption.

The need for privacy hasn't gone away, and several powerful tools have stepped up to fill the void: