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Originally Posted by isarl
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thanks for information. I assume the command you specified is for Unix system probably. I am running Windows PC but ImageMagick supports windows os too so I will check that out. and yes I always want as minimal changes to be made for my document as possible. that's why I never resize images for that matter, and only keep compression level in mind
Quote:
Originally Posted by kovidgoyal
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thanks about that. so assuming there is a epub document that contains both jpg and png files formats and I check lossy compression, it means jpg is lossy compressed and png is losslessly compressed respectively?
I am afraid so because after the compression successfully finished and when I check the file size, png files also cut down by 3-5% and the date modified also changes.