KDP Cover Size Calculator
Get full-wrap cover dimensions with a live back, spine and front diagram.
Cover & Print Tools
Cover dimensions, spine width, trim size, bleed, margins and image checks for print-ready files.
KDP Spine Width Calculator
Calculate paperback spine width from page count and paper type.
KDP Trim Size Calculator
Compare KDP trim sizes, convert units and see regular vs large trim pricing.
KDP Margin Calculator
Find minimum gutter and outside margins for your page count and bleed setting.
Image DPI Checker
Read pixel size, DPI metadata, print size and file details from an image.
KDP Bleed Calculator
Calculate interior page size with bleed for full-page images and backgrounds.
A+ Content Size Checker
Check an image against A+ Content module dimensions, ratio and file limits.
Image Resolution Checker
Check an image against required pixel dimensions or a print size at a target DPI.