Free KDP calculators and 151 checked KDP tools
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.
Research18Pick a niche, keywords and categories before you make anything.
Create55Write, design and format the interior and the cover.
Publish34KDP itself, print and distribution, ISBNs, copyright and trademarks.
Market19Ads, promotions, reviews and email.
Track2Sales, rank and royalty tracking after launch.
Learn23Courses, 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…
Absolute Write Water CoolerFreeAbsolute Write Water Cooler is a free, moderated writers'…
Adobe ExpressFree tier, from $9.99/moAdobe Express is Adobe's template-based online design app for…
Adobe FireflyFree tier, from $9.99/moAdobe Firefly is Adobe's generative AI app for creators that…
Adobe InDesignFrom $22.99/moAdobe InDesign is a professional page layout app for Windows…
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…
Amazon AdsPaidAmazon Ads is Amazon's on-platform advertising console, used…
Amazon Author CentralFreeAmazon Author Central lets authors manage their author page…
Amazon Best SellersFreeAmazon Best Sellers is Amazon's free set of category rank…
- Amazon KDPFree
Amazon Kindle Direct Publishing is Amazon's free…
GoodreadsFree tier, from $119Goodreads is Amazon's reader community and review site where…