Quote:
Originally Posted by droopy
I have an ebook called Leonardo Da Vinci by Walter Isaacson. It's 450 MB because of the images. 450 mb is already 1/16 of my 8GB Forma space. Why transfer full-color images:
if I can't even enjoy the color,
if I can save storage space,
If I can speed page-loads/turns?
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Before you do anything else, you should open that book and look at the images. Are they actually high resolution? And try fiddling with a few to see what effect it actually has.
And as @NiLuJe, Kobo actually renders in colour. I assume it is writing to the screen that does the gray-scaling. I suspect you won't get any noticeable performance benefit. I would say that space is the only advantage and you can test this manually to see if it is actually worthwhile following it up. Try what @theducks suggested.
Also, this question has come up before. But, no-one has developed a tool to do it. I suspect that means that people who have tried it have found it isn't worth it. Or, they decided that the colour was important and used a tablet for books with lots of pictures. Which is what I would do,