Before rebuilding your Canva cover, check KDP full cover size, 0.125 bleed, safe area, spine width, barcode space, and PDF export settings.
Set up a Canva paperback cover for KDP with the right full-cover size, template alignment, bleed, clean PDF Print export, and final PDF checks.
Fix a KDP cover bleed warning when your image or background must extend 0.125 beyond the trim line. Learn what to extend, what to keep safe, and what to check.
KDP expected cover size and submitted file size do not match? Learn what the two numbers mean, why full cover size is wider than trim size, and what to fix.
KDP rejects PDF cover files even when they look fine? Check page size, white borders, crop marks, template lines, hidden objects, fonts, images, and export settings.