Quote:
Originally Posted by Tex2002ans
Throw away the Alpha.
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As I said in a previous post there appears to be
no Alpha channel to throw away in my images. (See attachment to previous post)
Quote:
Originally Posted by Tex2002ans
Losslessly compress. PNG compression tools have gotten much better in the past 7+ years.
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I don't know what application you are using but I downloaded what is supposedly the number 1 free lossless compression tool - PNGGauntlet - and running one of my uncompressed images through it resulted in an almost identical file size to the original.
I'm not saying you are wrong as you obviously have much more knowledge and experience than I, but following the above suggestions has not worked for me.
Edit:
I have just tried another compression tool - PngOptimizer - on the largest of the image files (tutorial-main-window.png) and the optimised file was approximately 10% smaller.
Whilst there has been some saving in my mind it is not that significant, and less than half of the ~22% you had mentioned.
_tutorial-main-window = prior
tutorial-main-window = post
https://www.mobileread.com/forums/at...1&d=1614079591