attachecase ☆
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Description:
Utility for encrypting/decrypting files and directories
Type: Cask  |  Latest Version: 4.2.1@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: encryption security utility files privacy
Install: brew install --cask attachecase
About:
Attachecase is a macOS utility designed for strong encryption and decryption of files and directories using AES-256. It provides a straightforward interface for creating secure, self-contained encrypted archives that can be easily transported or stored. The tool is particularly useful for protecting sensitive data before sharing or backing it up to untrusted locations.
Key Features:
  • AES-256 bit encryption for files and folders
  • Drag-and-drop interface for ease of use
  • Creates self-contained, decryptable packages
  • Command-line interface (CLI) support for automation
Use Cases:
  • Securing sensitive documents before cloud storage or email
  • Creating encrypted containers for confidential project files
  • Automating file encryption via shell scripts
Alternatives:
  • GPG Suite – GPG is a more complex, standards-based tool, whereas Attachecase focuses on simplicity and container-based encryption.
  • macOS Encrypted Disk Images – Native disk images are built-in but less convenient for sharing single encrypted packages compared to Attachecase's format.
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:15pm 4.2.1 0 VERSION_BUMP 11f1efed
Dec 27, 2022 5:49am 4.1.9 0 VERSION_BUMP 0b4f439b
Dec 25, 2022 11:24am 4.1.9 0 NEW 55bd28d2
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