Free KDP tools and calculators, all in one place
Work out royalties, cover sizes, KENP payouts and keyword slots, then jump to any of 151 checked KDP tools. No sign-up, no ads, no paid rankings.
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Free calculators
All 16Today on AmazonData: KDPTop, same team
KDP tools directory
All 151 tools, with price, KDP fit and the date we last checked each one on its details page (latest 2026-11-09). KDPTop is made by the same team and labelled.
Research18· Pick a niche, keywords and categories before you make anything.
Create55· Write, design and format the interior and the cover.
Publish34· KDP itself, print and distribution, ISBNs, copyright and trademarks.
Market19· Ads, promotions, reviews and email.
Track2· Sales, rank and royalty tracking after launch.
Learn23· Courses, blogs, channels and communities worth your time.
Courses, Blogs & Channels 17
Kindlepreneur
Jane Friedman
The Creative Penn
Reedsy Blog
Self Publishing Formula (Learn Self Publishing)- Low Content Profits
The Self Publishing Show
Writer Beware- BookBub Partners Blog
The Book Designer
Creativindie
Laura Jane Illustrations
Self-Publishing School
The Home Boss
BookLife
Indie Author Magazine- Nicholas Erik
My tools
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KDP facts
All 26Shortlists and comparisons
AllKDP market data
All reports- KDP market report, November 2026
- How Much Do KDP Books Cost? Price Benchmarks from 508,737 Best Sellers
- Kids coloring, ages 3-5 on Amazon KDP: Market Size, Competition and Prices
- Christmas sudoku & logic on Amazon KDP: Market Size, Competition and Prices
- Kids coloring, ages 6-8 on Amazon KDP: Market Size, Competition and Prices
Newest listings, each checked on the vendor's own site.
99designsFrom $29999designs is a design marketplace owned by Vista where authors run a book cover contest or hire one designer directly.
Absolute Write Water CoolerFreeAbsolute Write Water Cooler is a free, moderated writers' forum known for its Bewares board, where members report on publishers, agents and services.
Adobe ExpressFree tier, from $9.99/moAdobe Express is Adobe's template-based online design app for quick graphics that KDP publishers use for ebook covers, ads and social images.
Adobe FireflyFree tier, from $9.99/moAdobe Firefly is Adobe's generative AI app for creators that makes images, vectors, video and audio from text prompts and edits existing images.
Adobe InDesignFrom $22.99/moAdobe InDesign is a professional page layout app for Windows and Mac that exports print PDF with bleed and EPUB, sold only by subscription.
Price and plan changes
- 2026-11-10 Alliance of Independent Authors (ALLi): Yearly billing read on the vendor's pricing page: from $9.92/mo billed yearly.
- 2026-11-10 Book Bolt: Yearly billing read on the vendor's pricing page: from $19.99/mo billed yearly.
- 2026-11-10 BookBeam: Yearly billing read on the vendor's pricing page: from $29/mo billed yearly.
Official sources first
All 17When another site disagrees with Amazon's own pages, Amazon wins.
ACXFreeACX is Audible's audiobook marketplace for authors and rights holders that connects them with narrators and distributes finished audiobooks to Audible, Amazon and Apple Books.
Amazon AdsPaidAmazon Ads is Amazon's on-platform advertising console, used by KDP publishers to promote books with sponsored ads.
Amazon Author CentralFreeAmazon Author Central lets authors manage their author page, biography and book listings across Amazon stores.
Amazon Best SellersFreeAmazon Best Sellers is Amazon's free set of category rank lists for book researchers that shows the top-selling and hot new titles in Books and the Kindle Store.
- Amazon KDPFree
Amazon Kindle Direct Publishing is Amazon's free self-publishing platform for Kindle ebooks and print paperbacks and hardcovers.
GoodreadsFree tier, from $119 one-timeGoodreads is Amazon's reader community and review site where authors can claim a profile and run paid Kindle or print book giveaways.