Thread: [GUI Plugin] Resize Cover
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Old 01-26-2020, 11:48 PM   #61
davidfor
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Quote:
Originally Posted by JSWolf View Post
Can the official plugin resize keeping the cover's aspect ratio and use Calibre's lossless compression?
Of course not. Think about it. The image is being resized. Either bits are thrown away to make it smaller, or they are added to make it bigger.

And this is different from the compression in the editor. That only changes the copy in the book, not the copy in the library. If you want to do a bulk compress of the images in the books, use the Polish Books tool.
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