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18 purpose-built calculators, generators, and manuscript helpers for Amazon KDP. Use them free, forever — no account needed.
Calculate exact dimensions for your KDP book cover including spine width, bleed, trim size, and pixel dimensions at 300 DPI.
Calculate your Amazon KDP royalties for eBooks, paperbacks, and hardcovers. Compare pricing strategies across markets.
Calculate your advertising cost of sale, break-even ACOS, and profit per click for Amazon book ads.
Convert your word count to estimated page count for any book format. Compare across trim sizes, fonts, and spacing.
Calculate safe bleed, inside (gutter), and outside margins for any KDP trim size. Avoid rejection and cut-off text on interiors.
Generate compelling Amazon book descriptions in seconds. Hook + plot tease + social proof + CTA, formatted for A9.
Write punchy back-cover copy that sells. Optimized for print books — short, scannable, and emotionally driven.
Plan your Amazon A+ Content modules — hero image captions, comparison tables, and feature highlights that convert browsers.
Generate creative book titles and subtitles with genre-specific patterns. 14 genres, 12 moods, 280+ templates.
Generate professional pen names and pseudonyms by genre, gender, and style. Curated name databases for every genre.
Create print-ready EAN-13 ISBN barcodes for your book covers with checksum validation.
Generate a legally sound copyright page in seconds. Choose reserved rights, ISBN lines, edition, and disclaimer templates.
Draft a heartfelt dedication or acknowledgements section with prompts, tones, and examples across genres.
Find the right BISAC subject codes for your book. 325 codes across 13 categories with search and best-pair suggestions.
Plan a visually consistent book series. Get color palette, layout, and typography rules that sell across books 1–N.
Format your KDP book description with Amazon-compatible HTML. Bold, italic, headings, bullet points, and live preview.
Create professional book mockups for marketing. 5 styles including 3D standing, flat lay, and angled views.
Upscale images to 300 DPI print quality for KDP covers. Multi-step upscaling with sharpening for best results.
All 18 tools are free to use forever. No hidden fees or paywalls.
Start using any tool immediately. No account needed.
Built specifically for Amazon KDP specs, formulas, and requirements.
All calculations and generations happen instantly in your browser.
Our free tools handle the prep work. Our AI cover studio handles the cover — print-ready front, back, and spine in 2 minutes.