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.

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 — each under the 50-byte limit, none repeating your title outright or each other.

Free to start · paid plans

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, 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.

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

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.

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 — 109 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

Saved niches, books, and charts from the SmartKDP browser extension — the web half of Save to SmartKDP. Deeper keyword and rank tools land later.

Free to start · paid plans