Book & KDP Print Tools
Calculate paperback spine width, cover dimensions, bleed, page-to-sheet counts and print-cost assumptions.
Choose the outcome you need
Begin with one of the strongest workflows. The complete specialist library is still available when you need it.
KDP paperback cover workspace for full cover dimensions, spine width, raster pixels, spine-text eligibility and optional actual-size mismatch checking.
Start here →02File inspectorKDP Interior PDF CheckerUpload a manuscript PDF locally and compare detectable page size, page count, orientation, encryption and page-box signals with the selected KDP trim/bleed plan.
Start here →03Production plannerKDP Hardcover Cover PlannerPlan a KDP hardcover cover around the official wrap, safe placement and hinge zones using the spine width from the current KDP template.
Start here →More ways to continue
Build a paperback cover from the interior outward
Use final page count and bleed mode to establish the current minimum gutter/outside margins before fine layout.
The spine depends on the final interior page count and paper/interior type.
The workspace returns spine, total spread dimensions and raster pixels at your selected PPI.
Enter the actual artwork dimensions to see whether they differ from the calculated target.
Platform rules can change, so use the linked official KDP references before final upload.