ecm ☆
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Description:
Prepare CD image files so they compress better
Type: Formula  |  Latest Version: 1.0@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: compression cd-rom archiving utility file-system
Install: brew install ecm
About:
ECM is a utility that preprocesses CD-ROM images to maximize compression efficiency. It removes redundant data patterns and restructures the image, allowing standard compression algorithms like ZIP or RAR to achieve significantly smaller file sizes. This tool is essential for archivists and users looking to save storage space or bandwidth when distributing disc images.
Key Features:
  • Lossless preprocessing optimized for CD-ROM sector layouts
  • Significant reduction in compressed file size
  • Fast processing speed and low resource usage
  • Compatibility with standard compression tools
Use Cases:
  • Compressing game or software CD-ROM images for storage or sharing
  • Optimizing backup archives of optical media
  • Reducing bandwidth usage when uploading disc images
Alternatives:
  • bzip2 / gzip – Standard compression tools that work on any file but do not specifically optimize for CD-ROM data patterns, resulting in larger compressed files.
License: GPL-2.0-or-later
Bottles available for: arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, catalina, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 14, 2024 8:18pm 1.0 0 VERSION_BUMP dd4831c4
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