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Prepare KDP dimensions and bleed in Canva
Set exact custom dimensions, bleed artwork and export choices for a Canva book file.
Technically reviewed · September 1, 2026
What this issue means
A Canva page can look correct while the exported PDF uses the wrong cover total or leaves essential content near trim. Measure the downloaded PDF before uploading it.
What BookPreflight checks
- Custom document dimensions
- Background coverage and safe text placement
- Downloaded PDF page count and geometry
How to correct the source file
- 1
Create the design at the final calculated dimensions.
- 2
Extend backgrounds through bleed while keeping text inside safe guides.
- 3
Download the print PDF and run a fresh preflight.
Verify the exported PDF, not the preset name
Keep the editable source and original PDF. Export a new file, run the complete scan again and review every remaining finding. A repair is only labelled safe after loss checks and a full deterministic post-flight.
BookPreflight is an independent tool. It is not affiliated with or endorsed by Amazon or Kindle Direct Publishing, and it cannot guarantee acceptance.