# Best free and one-time KDP tools: no subscriptions

> 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

## Picks

1. **Kindle Create** (Free formatting from 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. Price: Free. https://kdp123.com/t/kindle-create/
2. **Reedsy Studio** (Free formatting in the browser). Free EPUB and print-ready PDF export on any device. The free plan keeps 30 days of writing history. Price: Free tier, paid from $4.99/mo. https://kdp123.com/t/reedsy-studio/
3. **Atticus** (One-time formatter for any computer). $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. Price: $147 one-time. https://kdp123.com/t/atticus/
4. **Vellum** (One-time formatter for Mac). Vellum Ebooks $199.99, or Vellum Press $249.99 to add paperbacks and hardcovers, paid once for unlimited books. Runs only on Mac. Price: $199.99 one-time. https://kdp123.com/t/vellum/
5. **Photopea** (Free cover editing in the browser). 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. Price: Free tier. https://kdp123.com/t/photopea/
6. **Inkscape** (Free vector covers and line-art pages). 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. Price: Free. https://kdp123.com/t/inkscape/
7. **Amazon Best Sellers** (Free first-party market data). The top 100 in every Books and Kindle category plus Hot New Releases, free and without an account. It shows rank, not sales. Price: Free. https://kdp123.com/t/amazon-best-sellers/
8. **Google Trends** (Free seasonality check). Shows whether interest in a topic is rising, fading or seasonal before you commit to it. It reflects Google searches, not Amazon. Price: Free. https://kdp123.com/t/google-trends/
9. **KDSPY** (One-time research while you browse Amazon). $79 once with a 60-day refund window for category, keyword and competitor estimates on Amazon pages. Desktop browsers only. Price: $79 one-time. https://kdp123.com/t/kdspy/
10. **Publisher Rocket** (One-time keyword and category research). $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. Price: $199 one-time. https://kdp123.com/t/publisher-rocket/

## 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.

Last reviewed: 2026-11-09. Page: https://kdp123.com/best/free-and-one-time-kdp-tools/. No vendor paid to be listed.