Free tools for self-publishers
Five calculators that answer the questions every self-publisher has before pressing Publish. No account, no email, just numbers.
Word count to pages converter
Type a word count and see the page count single-spaced, double-spaced and in a printed paperback, plus reading time. 1,000 words is about 2 pages single-spaced.
AI pattern check
Paste a chapter or a whole draft and see the patterns that read as machine-written: repeated phrases, body-language tics, three-part lists, dashes as punctuation. Free, nothing uploaded.
KDP royalty calculator for Kindle ebooks
Free Amazon KDP royalty calculator: enter list price, file size and monthly sales to see what Kindle Direct Publishing pays per copy, per month and per year at 70% or 35%.
KDP pricing recommender
Get a suggested Kindle price and range from your book length, type and goal, with the royalty you keep at that price and why.
Ebook cost calculator
Add up editing, cover, formatting and your own time to see the real cost of producing one self-published ebook, and how many copies you need to break even.
Platform comparator: KDP vs Etsy vs Gumroad vs Payhip
Compare what you keep per copy on Amazon KDP, Etsy, Gumroad and Payhip at your price, with each platform’s published fees applied.
KDP AI disclosure helper
Answer four questions and find out whether Amazon KDP requires you to disclose AI-generated text, images or translations in your book, and how.