Free tools for KDP authors
Quick, free utilities for self-publishing on Amazon KDP. The checkers and calculators run right in your browser with no account; the AI cover generator works from a short brief in the free editor.
- Cover
KDP Cover Validator
Check if your Amazon KDP book cover meets every requirement — dimensions, aspect ratio, color space, DPI, and file size — before you upload.
Open tool → - AI
AI Book Cover Generator
Describe your book and the AI designs a complete cover to KDP print specs: front, spine, back, and an ebook JPG. Preview free; the files download with a plan.
Open tool → - Pricing
KDP Royalty Calculator
See what you actually earn per sale: printing cost, your tiered 50–60% paperback royalty (or Kindle 70/35%), and the minimum price to break even.
Open tool → - Cover
KDP Spine Width Calculator
Get your spine width and full wrap-around cover dimensions from trim size, page count, and paper type — in inches, mm, and pixels.
Open tool → - Marketing
Book Description Grader
Score your Amazon book description against the copywriting best practices that sell books — hook, length, structure, and call to action.
Open tool → - AI
Book Title Generator
Describe your book and get eight marketable AI title and subtitle ideas, tuned to your genre, reader, and tone.
Open tool → - Manuscript
Word Count to Pages Calculator
Turn your manuscript's word count into a page count for every KDP trim size, with the spine width and printing cost that follow from it.
Open tool → - AI
KDP Keywords Generator
Describe your book and get seven backend keyword phrases under 50 characters, three Amazon category paths, and the searches readers type.
Open tool → - AI
Book Blurb Generator
A hook line and three back-cover blurbs at short, standard and long length, written for the back cover and the Amazon description.
Open tool →