Crunch 2.0

In plain words

Crunch 2.0 is a free, open source application that optimizes PNG images by reducing file size. Version 2.0 adds command line support for Unix-based systems and parallel processing capabilities, allowing users to optimize multiple images simultaneously. It is designed for photographers, designers, and developers who need to compress PNG files efficiently, and is available under the MIT License on GitHub.

written from the facts on this page · September 2026

From the sources

Crunch is a free, open source application for PNG image optimization. The v2.0 release includes: - New command line executable support for use on any *nix machine - Parallel image processing support Thanks to the Product Hunters who made recommendations in the v1.0 announcement threads that led to these improvements! MIT License

Insane(ly slow but wicked good) PNG image optimization - chrissimpkins/Crunch

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