Free KDP Tools

Estimate your Amazon KDP printing cost, royalty, and minimum list price across all 12 marketplaces.

Get exact full-wrap cover dimensions and spine width for your trim size and page count.

Turn a manuscript word count into a printed page count for any KDP trim size, type size and leading.

Turn a Best Sellers Rank into an honest, confidence-ranged daily sales estimate.

Free · needs a free account

Explore how list price and royalty rate trade off, and find your breakeven point.

Turn KENP page reads into Kindle Unlimited earnings, and compare KDP Select against going wide.

Break-even ACOS, maximum profitable bid, and profit per book — from your real KDP royalty.

Generate a print-ready QR code with book-specific presets for back covers and inserts.

Genre-aware pen name suggestions for building a publishing identity.

Visualize keyword density in your manuscript or listing copy.

Validate or convert an ISBN and download a print-ready EAN-13 barcode, sized for KDP's back-cover area.

Turn your own word list into a print-ready puzzle page — free, no account, and no watermark on the PDF you sell.

Original KDP title ideas from one line about your book — five free sets a month, no account.

Turn formatted text into the HTML KDP's description field actually renders — twelve tags, nothing else, counted against the 4,000-character limit.

Turn your trim size and page count into a print-ready cover template PDF with trim, bleed, spine and barcode guides.

Build the copyright page for your book — notice, rights statement, edition and ISBNs — and download it as DOCX or PDF.

Make a print-ready sudoku from board size and difficulty — free, no account, and no watermark on the PDF you sell.

Make a print-ready maze from size, shape and difficulty — free, no account, and no watermark on the PDF you sell.

Turn your own answers and clues into a print-ready crossword — free, no account, and no watermark on the PDF you sell.

Turn a quote or proverb into a print-ready cryptogram — free, no account, and no watermark on the PDF you sell.

Turn your own word list into a print-ready word scramble page — free, no account, and no watermark on the PDF you sell.

Generate a KDP book description in valid HTML — the twelve tags Amazon supports, under 4,000 characters, no prohibited claims.

Free to start · paid plans

Fill all seven KDP backend keyword boxes from your book and Amazon's own search suggestions — free, each within the 50 bytes KDP's form accepts.

Screen a working title against live US trademark records before you commit to it.

Free · needs a free account

Flesch Reading Ease, Flesch-Kincaid grade and four cross-check formulas over your own text — plus an age band for children's and low-content books.

A quick pass over your title, description, and keywords against KDP's guidelines.

Free · needs a free account

Check an interior PDF for page size, margins, page count, image DPI, embedded fonts, and bleed — in your browser, never uploaded.

Write 300 DPI into a PNG or JPEG in your browser, after an honest check of whether it has the pixels to print at your trim size.

Resize and compress an image to an A+ module's exact pixels — RGB, under 2 MB, every KDP module — without uploading it.

Cut a cover, product or headshot out of its background at full resolution, in your browser.

Shrink an image under a byte target — KDP's 2 MB A+ cap or your own — without uploading it.

Design one Amazon A+ module at its exact pixels, count every field against KDP's limits, and export it — in your browser.

Resize cover art to KDP's eBook cover pixels or a print trim at 300 DPI, in your browser.

Add real detail to an image that is short of 300 DPI for print — diagnosis free, the upscale on paid plans.

Free DPI check · upscaling on paid plans

Search Amazon's book categories, copy the full path, and see what sits inside each one.

Expand a seed keyword into a clustered tree of real Amazon search suggestions, with real appearance counts.

Look up a book niche: how many ways shoppers phrase it, where it sits, and what to check before you build it.

Free · needs a free account

See the keywords a product measurably ranks for — verified against live Amazon search results, in two speeds.

See which of your KDP books make money after ads — from the royalty and ad reports you already download.

Free to start · paid plans

A free browser extension that overlays BSR, royalty, and trim data on any Amazon book page.

A Canva-style editor for KDP puzzle books — 110 puzzle types, and every puzzle stays a live, editable object after it is generated.

Free to start · paid plans

Design a print-ready full-wrap cover with live spine, bleed, and barcode guides that follow your book's real page count.

Free to start · paid plans

AI-assisted titles, descriptions, keywords, and category suggestions, plus a one-click KDP upload package.

Free to start · paid plans

Keyword ideas, reverse-ASIN lookups, backend keywords, niches and rank trackers in one place, with everything you save from the browser extension.

Free to start · paid plans