Best free and one-time KDP tools: no subscriptions
Reviewed 2026-11-09. No vendor paid to be listed or ranked. Affiliate links, where they exist, are marked.
Which KDP tools can I use for free or buy once, without a monthly subscription?
Kindle Create and Reedsy Studio format books for free, while Atticus ($147) and Vellum (from $199.99, Mac only) are one-time formatters. Photopea and Inkscape lay out covers on KDP's template for free. For research, Amazon's Best Sellers lists and Google Trends cost nothing, and KDSPY ($79) and Publisher Rocket ($199) are one-time buys.
How we chose
- Free, or one payment with no subscription required
- Covers formatting, cover design or market research for KDP
- Price checked on the vendor's own page
- The main limitation of each free option is stated
Facts behind each pick (price, platforms, KDP fit) come from the listing pages, which cite their sources. See the methodology.
The picks
1. Free formatting from Amazon
Kindle CreateOfficial Amazon
Builds a reflowable ebook and print interior from a Word or PDF manuscript, with output made for KDP. It cannot edit tables, lists or footnotes.
Free · Checked 2026-11-09 · Visit site
2. Free formatting in the browser
Reedsy Studio
Free EPUB and print-ready PDF export on any device. The free plan keeps 30 days of writing history.
Free tier, paid from $4.99/mo · Checked 2026-11-09 · Visit site
3. One-time formatter for any computer
Atticus
$147 once for unlimited ebooks and print books on Windows, Mac, Linux and Chromebook, with a 30-day refund window. Made by the founder of Kindlepreneur and Publisher Rocket.
$147 one-time · Checked 2026-11-09 · Visit site
4. One-time formatter for Mac
Vellum
Vellum Ebooks $199.99, or Vellum Press $249.99 to add paperbacks and hardcovers, paid once for unlimited books. Runs only on Mac.
$199.99 one-time · Checked 2026-11-09 · Visit site
5. Free cover editing in the browser
Photopea
Opens PSD templates and exports PDF, so you can build a paperback wrap on KDP's template without Photoshop. Its CMYK mode is a preview only, and the free version shows ads.
Free tier · Checked 2026-11-09 · Visit site
6. Free vector covers and line-art pages
Inkscape
Precise vector layout with direct PDF export, good for cover typography, spine text and line-based interiors. The current release has no full CMYK workflow.
Free · Checked 2026-11-09 · Visit site
7. Free first-party market data
Amazon Best SellersOfficial Amazon
The top 100 in every Books and Kindle category plus Hot New Releases, free and without an account. It shows rank, not sales.
Free · Checked 2026-11-09 · Visit site
8. Free seasonality check
Google Trends
Shows whether interest in a topic is rising, fading or seasonal before you commit to it. It reflects Google searches, not Amazon.
Free · Checked 2026-11-09 · Visit site
9. One-time research while you browse Amazon
KDSPY
$79 once with a 60-day refund window for category, keyword and competitor estimates on Amazon pages. Desktop browsers only.
$79 one-time · Checked 2026-11-09 · Visit site
10. One-time keyword and category research
Publisher Rocket
$199 once with a 30-day refund for keyword search, category search across 19,000+ categories and an Amazon Ads keyword generator. Its page warns it may move to a subscription.
$199 one-time · Checked 2026-11-09 · Visit site
Considered, not picked
- GIMP: Free and capable for photo editing, but it has no CMYK editing mode or book templates; Photopea is simpler for PSD templates and Inkscape for vector layouts.
- calibre: Free and handy for fixing EPUB files, but it does not make print interiors.
Think a tool is missing or a pick is wrong? Tell us. Plain-text version.