From niche research to print-ready PDF — Chromio handles every step. Generate pages, build your cover, compile your book, and publish to KDP or Etsy.
Used by KDP publishers · No design skills required · Free to start
Six tools, one workflow — everything stays in your project.
Find a Niche
Discover trending niches that sell on Amazon
Generate Prompts
Get 50 unique page prompts for your book
Create Images
AI generates your coloring pages instantly
Compile PDF
Export a print-ready interior manuscript
Design Cover
Full-wrap cover with auto spine width
Publish
Upload to KDP, Etsy, or share on social
Eight integrated tools — no switching between apps.
Find trending, low-competition niches with AI research tailored for Amazon KDP.
Generate a complete set of unique, detailed prompts for every page in your book.
5 styles: coloring page, full-color, digital art, pattern, or sketch. Print-ready quality.
Combine all your pages into a single print-ready PDF at your chosen KDP trim size.
Full-wrap cover designer with auto-calculated spine width. Export at 300 DPI for KDP.
SEO-optimized title, description, and 7 sets of backend keywords for Amazon.
One-click export for Instagram, TikTok, Pinterest, Etsy, and KDP — each at the right size.
Save every book as a named project. Your niche, prompts, and KDP listing all in one place.
Print-Ready Formats
PDF Compiler and Cover Creator both export at 300 DPI — KDP's required print resolution.
Start free. Upgrade when you're ready to scale.
Get started — no card needed
For serious KDP publishers
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