Quote:
Originally Posted by John F
I may be a little ignorant on image compression, but doesn't "70%" apply to lossy compression (lossless compression doesn't include a percent). At least that is the way it works when I use the calibre editor to compress (jpeg) images.
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It's both lossy and lossless. Lossy for the recompression with 70% and lossless after that to make the image an even smaller size.