Free KDP Tools
Four publisher tools, free, no signup. Built by Formatli to fill the gaps Amazon's dashboard leaves open.
KDP Royalty & Cost Calculator
Estimate paperback printing cost, royalty (60% / 40%), and ebook royalty (35% / 70%) for any KDP marketplace.
Breakeven ACOS Calculator
Find the breakeven ACOS for any book in seconds — color-coded gauge + 4-book comparison playground.
ISBN Barcode + QR Code Generator
Validate an ISBN-13 (or auto-convert ISBN-10), generate the EAN-13 barcode + a QR code, and download both at 300 DPI for your back cover.
KDP Description HTML Formatter
Write your description in a live editor with an Amazon-accurate preview, "Read more" fold indicator, fiction + nonfiction templates, and one-click minified HTML export.
Frequently asked questions
Are these tools really free?
Yes. No signup, no email capture, no paywall. We built them to help KDP authors and to show what Formatli does well — formatting books professionally.
Do I need an account to use them?
No. Every tool runs entirely in your browser. We do not store your inputs anywhere.
How does Formatli make money if these are free?
These tools are free to use. If you also need professional book formatting, cover design, or KDP setup help, you can order the service at Formatli for a flat fee. No upsells, no surprises.
Skip the formatting headache — let us turn your manuscript into an upload-ready PDF + ePub in 2 days.
Place an order →