PDF / Publishing

KDP Paperback Cover Preflight

Calculate the exact paperback cover, spine and bleed dimensions from current KDP formulas, then compare an uploaded cover PDF against the target.

✓ Full features free◎ No sign-up

01 / BOOK

Book and paper settings

Paperback

Common trim size

Trim width (in)Trim height (in)

Paper / print type Interior page count Or read an interior PDF to fill page count

Waiting for a file or settings

02 / TARGET

Required full-cover size

KDP

Cover width——

Cover height——

Spine width——

BACK

FRONT

Upload cover PDF to verify sizeReads first-page size, page count and encryption state

Formula source: Amazon KDP paperback cover requirements ↗

◎ Files are processed directly in this browser.

How to useHow to use KDP Paperback Cover Preflight

Calculate the exact paperback cover, spine and bleed dimensions from current KDP formulas, then compare an uploaded cover PDF against the target.

1
Paste content, enter parameters or choose the files you need in “Input”.
2
Choose “Calculate”, “Verify PDF” for the job. Processing runs in this browser.
3
Review the result under “Results”, then copy or download it after checking the output.

Anonymous feedback

Did this tool solve the job?

Found a problem or an idea to make this tool better? Tell us. We review every report and start working on actionable improvements within 2 days, continuously improving reliability and usability.