Free
ImageAlpha overview
ImageAlpha greatly reduces file sizes of 24-bit PNG files (including alpha transparency) by applying lossy compression and conversion to a more efficient PNG8+alpha format. Such images are compatible with iOS, all browsers, and even degrade well in IE6.
What’s new in version 1.5.1
Updated on Jul 27 2017
Version 1.5.1:
- Upgraded to pngquant 2.10
- Compatibility with macOS 10.13 High Sierra
Information
App requirements
- Intel 64
- OS X 10.8 or later
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User Ratings
Dec 19 2020
Version: 1.5.1
No review yet? How can it be? :-o This is an amazing software when it comes to optimize image files! Nothing beats the couple ImageAlpha+ImageOptim, I'm not using them professionally but when needed, I'm always impressed! It can reduce drastically your images sizes with nearly any visible artefact, especially with the advanced algorithms Blurizer and Posterizer and the Dithered mode! Depending on the original image, you can achieve up to 90% gain. Good job! :-)
Free
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