Ebook Cover Dimensions Pixels
If your cover is smaller than the recommended lets say 10001500 you are suggested to make it larger.

Ebook cover dimensions pixels. To ensure the best quality for your image particularly on high definition devices the height of the image should be at least 2500 pixels. At least 1400 pixels wide starting august 2014. This means that for every 1000 pixels in width the image should be 1600 pixels in height.
To ensure the best quality for your image particularly on high definition devices the height of the image should be at least 2500 pixels. This means that for every 1000 pixels in width the image should be 1600 pixels in height. They saves you most of the work but you lose out on customizing and fine tuning your cover.
The ideal size of your ebook cover art is a heightwidth ratio of 161. Ideally 1400 pixels wide file size. Between 5kb and 2mb height and width of the ebook must be at least 750 pixels recommended height and width of at least 1400 pixels.
Kobo ebook cover dimensions width. File type should be jpg or png or gif for book covers with few colors file size.
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