Based on our record, ImageAlpha seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If anyone wants a internet-free app on OSX, try ImageAlpha! It's great, lots of settings to try and optimize PNGs. https://pngmini.com/. - Source: Hacker News / almost 2 years ago
For non photographic images, I use a combination of ImageAlpha and ImageOptim and sometimes crop the image to 2x of the maximum expected display size (2x so that the image will stay sharp on high-DPI screen). Keep in mind that my method uses the lossy compression approach. Meaning that you wouldn't want to use my method on your master images. Source: over 2 years ago
Try ImageAlpha by the same author as ImageOptim for transparent PNG optimization. Source: about 3 years ago
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