Royalty Calculator ISBN Converter Keyword Generator
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The Self-Publisher's Free Toolkit

Launch your next KDP book faster.

Free tools for self-publishers — a royalty calculator, ISBN converter, description formatter, keyword checker, and a generator that turns one book topic into a publish-ready Amazon listing.

Try the Launch Kit Generator → Browse the Free Tools
Free · No signup · Runs in your browser
5
Free tools
7
KDP keyword slots
50
Chars per keyword
$0
Signup required
The Toolkit

Seven tools, one bookshelfEverything runs in your browser. No signup, no limits, no watermarks.

Cover Size Calculator

Exact Kindle, paperback & hardcover cover dimensions — spine width, bleed and 300 DPI pixels.

Calculate cover size

Royalty Calculator

See exactly what you earn per book — ebook, paperback or hardcover, with printing costs and breakeven.

Open calculator

ISBN Converter

Convert ISBN-10 to ISBN-13 and back, validate check digits — instantly, for any book.

Convert an ISBN

Description Formatter

Turn plain text into Amazon-ready HTML with bold, bullets and line breaks. Live preview included.

Format your description

Keyword Checker

Keep your 7 keyword slots under Amazon's 50-character limit. Counts characters as you type.

Check your keywords

Keyword Generator

Free keyword ideas that get your book found on Amazon search — tailored to your niche.

Generate keywords

Title Generator

Free book title ideas and subtitle suggestions for children's, activity, fiction and non-fiction books.

Get title ideas
The Work

From idea to publishedEvery self-publisher walks this path — we cover each step.

01

Create

Launch Kit Generator — book titles, description & 7 keywords in one click.

02

Price

Royalty Calculator — find a price that maximizes profit, not just sales.

03

ISBN

ISBN Converter — get your ISBN-13 ready for wide distribution.

04

Format

Description Formatter & Keyword Checker — make your listing shine.

05

Publish

Upload to KDP with an optimized listing ready to convert shoppers.

The Generator

What you get from one topicThe Launch Kit Generator turns a single idea into a complete, publish-ready listing.

Title ideas

5 ready-to-use titles plus subtitle suggestions for children's, activity, fiction and non-fiction books.

Amazon description

A conversion-focused description written the way Amazon shoppers read: value first, details second.

7 keywords

Amazon allows 7 keyword slots — we generate all 7 for your niche, ready to paste into KDP.

Category hints

Suggested Amazon categories to help your book get found on the right shelves.

Pricing

One-time, not one-more-fee

$9.99 / one-time
  • Unlimited generations — no subscription
  • All 4 book types included
  • Instant access after purchase
  • Free updates
Buy Now — $9.99
Questions

FAQ

Are the tools really free? Yes — all the tools above are completely free, no signup, no watermarks, no limits. The Launch Kit Generator is free for 3 uses; unlimited access is a one-time $9.99.

Do I need to know how to write? No — the generator does the writing. You bring the topic.

Is this a subscription? No. Pay once, use forever.

Can I use the generated text for my books? Yes, everything you generate is yours to use.