cryptomator
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Description:
Multi-platform client-side cloud file encryption tool
Type: Cask  |  Latest Version: 1.18.0@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @Cryptomator  |  formulae.brew.sh
Category: Security
Tags: encryption cloud-storage security privacy file-encryption
Install: brew install --cask cryptomator
About:
Cryptomator is a client-side encryption tool designed for cloud storage services. It creates virtual drives that encrypt files on-the-fly using AES and transparently decrypts them when accessed. This allows users to securely store data in public clouds without trusting the provider with the decryption keys.
Key Features:
  • Client-side AES encryption with individual file protection
  • Virtual drive mounting for seamless file access
  • Cross-platform compatibility (Windows, macOS, Linux)
  • No account or cloud provider required for encryption
  • Support for multiple cloud storage providers
Use Cases:
  • Securing sensitive documents in Dropbox, Google Drive, or OneDrive
  • Collaborative file sharing with end-to-end encryption
  • Compliance with data protection regulations for cloud storage
Alternatives:
  • Veracrypt – Creates encrypted containers but lacks native cloud integration
  • Boxcryptor – Similar cloud encryption but proprietary vs open-source
  • rclone crypt – Command-line encryption for cloud storage, less user-friendly
Version History
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