If the quality is great, try reducing number of colors, which will also further reduce file size. If the quality isn't good enough, choose between Median Cut and Posterizer compression type and try Dithered mode.
/article-new/2013/03/compressor1.jpg "image compression software for mac")
If image is large, there might be progress spinner visible for few seconds. Small images should be converted instantly. How to use itĭrag true-color PNG image into main part of the window. ImageAlpha can achieve better quality than similar function in Macromedia Adobe Fireworks by employing latest pngquant and pngnq-s9 and alpha-channel-aware posterizer. Such images are compatible with iOS, all browsers, and even degrade well in IE6. 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. It was written in Python 2, and Python 2 has been deprecated and removed from macOS.Īlternatives: lossy option in ImageOptim, pngquant, or squoosh.app.
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