Preparing Cover Images for Print
Many print-on-demand suppliers (including IngramSpark) request that cover images be at least 300DPI. To ensure that our cover generator is creating covers that meet this requirement, we have added a check during the image upload process that will verify whether your image is large enough to export at the right resolution for your trim size.
Before you upload your cover image to the generator, you will need to check that it is the right size. To do so:
- Add .125 to the top, right side and bottom of your front cover dimensions (e.g. the front cover for a 6×9 trim size book would be 6.125×9.25)
- Multiply those dimenseions by 300 (to give 300 pixels per inch), e.g.
(6.125 x 9.25in) x 300 = 1838 x 2775 pixels
If your image is not large enough, or has the wrong width to height ratio, the uploader will give you an error message with the dimensions your file needs to meet.
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