What are the PDF requirements for a KDP book cover?
KDP requires your cover PDF to be 300 DPI resolution, in RGB color space, with all fonts embedded and all layers flattened. The PDF should not contain crop marks, bookmarks, comments, or metadata. Maximum file size is 650 MB, but KDP recommends keeping it under 40 MB.
Key Details
- Resolution: 300 DPI
- Color space: RGB (not CMYK)
- All fonts must be embedded
- All layers must be flattened
- No crop marks, trim marks, or bleed marks
- No bookmarks, comments, annotations, or metadata
- Maximum file size: 650 MB (recommended: under 40 MB)
- Minimum line thickness: 0.75pt (0.01")