epsilon ☆

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Description:
Powerful wavelet image compressor

Type: Formula | Latest Version: 0.9.2@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Multimedia

Tags: compression wavelet images multimedia utility

Install: brew install epsilon

About:
Epsilon is a wavelet-based image compression system designed for high compression ratios while maintaining visual quality. It utilizes advanced wavelet transforms to significantly reduce file sizes for photographic images. The tool is particularly effective for applications requiring efficient storage or transmission of large image datasets.

Key Features:

Wavelet-based compression algorithm
High compression ratios with quality retention
Command-line interface for automation
Supports batch processing

Use Cases:

Archiving large photographic image collections
Reducing bandwidth for image-heavy web applications
Preprocessing images for computer vision datasets

Alternatives:

JPEG – Epsilon often achieves better compression ratios than standard JPEG but is less universally supported.
WebP – WebP offers comparable compression efficiency with broader browser support, while Epsilon is specialized for offline archival.
JPEG 2000 – Both use wavelet technology, but Epsilon is a lighter-weight command-line tool focused on specific compression needs.

License: BSD-3-Clause AND (GPL-3.0-or-later OR LGPL-3.0-or-later)

Dependencies: popt

Bottles available for: arm64_tahoe, 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 10, 2025 10:52pm		0	VERSION_BUMP	ebbb027f