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