KDP Publishing Studio

Publish Your First KDP Book —
Niche to Interior to Amazon Listing

Spec-correct interiors (journals, planners, dot-grid, puzzle books), matched covers with auto spine width, royalty calculator, and Amazon listing copy — everything in one session.

Build Your First KDP Book →
No card required · KDP spec-correct PDFs on every export
6×9"Standard KDP trim
50pp+Interior depth
60%KDP royalty rate
1 sessionInterior to listing

What KDP publishers build with Craftific.com

$2.15 Estimated royalty per sale on a 120-page 6×9 journal priced at $7.99 on Amazon US
0 rejections Every interior generated meets KDP's margin, bleed, and trim-size requirements — uploaded and accepted first time
4–6 hrs Typical time saved per book vs. building interiors in InDesign or Affinity Publisher from scratch
10 niches Interior types available: lined, dot-grid, guided journal, planner, habit tracker, maze, puzzle, and more
The workflow

Niche to published — in one studio

Most KDP publishers use 3–4 separate tools to do what Craftific.com does in one session. No InDesign licence required.

  1. Find a KDP book niche Check demand, competition, and price data across Amazon's KDP categories. The opportunity score identifies sub-niches where Amazon demand outpaces the number of competing titles. Wellness journals, ADHD planners, and dark academia notebooks consistently show strong margins. → Live Amazon data · Opportunity scoring
  2. Set your specs Choose your trim size (6×9", 8.5×11", 5×8", or others KDP supports), page count, and paper type. Spine width is calculated automatically from your page count and paper — no manual math. → KDP-supported trim sizes · Auto spine width
  3. Generate the interior PDF Lined pages, dot-grid spreads, guided journal prompts, planner layouts, habit trackers, maze pages, and word search puzzles — rendered as real vector PDFs with correct margins (0.375in inside, 0.25in outer), 0.125in bleed, and your chosen page count. → Vector PDF · KDP margin spec · 0.125in bleed
  4. Design the cover Covers sized precisely to your page count — front panel, spine (at correct calculated width), and back panel. Choose from 58 premium design collections with niche-matched colour systems and typography. Download as a print-ready PDF or PNG. → 58 design systems · Correct spine width
  5. Write the Amazon listing AI generates your KDP title, subtitle, 7 backend keywords, and a full book description formatted for Amazon search. Includes BISAC category suggestions and a 30-day launch checklist. → Title · Subtitle · 7 keywords · Description
  6. Calculate royalties before you publish Enter your target price across US, UK, and EU marketplaces. The royalty calculator shows net earnings per sale after KDP's printing costs — so you know exactly what you'll earn before uploading. → Use the royalty calculator →

Calculate your KDP royalties now

Enter your trim size, page count, and target price — see net earnings per sale across US, UK, and EU marketplaces.

Open royalty calculator →
What gets generated

Everything a KDP book needs

📐

Spec-Correct Interior PDF

Vector PDF with KDP's required margins, bleed, and trim size. No rejection at upload. Lined, dot-grid, planner, habit tracker, puzzle, and journal interior types.

→ 0 upload rejections
🎨

Matched Cover + Auto Spine

Cover sized precisely to your page count. Spine width calculated automatically from page count and paper type. Front, spine, and back in one export.

→ Correct spine every time
✍️

Amazon Listing Copy

KDP title, subtitle, 7 backend keywords, and a full description formatted for Amazon search. BISAC category suggestions included.

→ Amazon search-optimised
💰

Royalty Calculator

Net earnings per sale at your target price across US, UK, and EU after KDP printing costs. Know your margin before you publish.

→ Price with confidence
📋

30-Day Launch Checklist

A structured post-publish checklist covering Amazon ads basics, category ranking tactics, review generation, and A/B cover testing.

→ Structured launch plan
🔄

Also Sell on Etsy

The same interior exported as a printable PDF for Etsy digital download — different file format, different marketplace, double the revenue potential.

→ KDP + Etsy in one session

Read the full KDP publishing guide

Trim sizes, margin specs, royalty math, and which niches are generating the most Amazon sales in 2026.

Read the KDP guide →

Built to Amazon's actual KDP print specs — not approximations

Low-content books get rejected at upload when margins, bleed, or spine width are off. Every interior here is generated against KDP's published specification: 0.375in inside margin, 0.25in outer margin, 0.125in bleed, and spine width calculated from your real page count and paper type.

AI-content declaration is your responsibility at publish time. KDP requires an internal declaration in your publishing dashboard — not buyer-facing. Craftific.com's output is a starting point you finalise and declare honestly.

  • Trim sizes match what KDP actually supports — 6×9", 8.5×11", 5×8", and others.
  • Spine width recalculates automatically when you change page count.
  • Interiors are real vector PDFs — not flattened image scans that fail KDP's quality check.
KDP Publisher Resource

50 Proven KDP Niche Ideas for 2026

Niches with real Amazon demand and low competition — ranked by estimated monthly searches, competition level, and achievable price point. PDF delivered to your inbox.

Questions

What KDP publishers ask

Do the interiors meet Amazon KDP's print specs?
Yes. Interiors are generated with KDP's required margins (0.375in inside, 0.25in outer) and 0.125in bleed, in every trim size KDP supports including 6×9" and 8.5×11".
How is the spine width calculated?
From your page count and paper type, using KDP's official spine-width formula. It recalculates automatically when you change your page count — so the front, spine, and back are always sized correctly before download.
What royalties can I earn from a low-content KDP book?
KDP pays a 60% royalty on books priced $2.99–$9.99, after deducting printing costs based on page count and trim size. A 120-page 6×9 journal at $7.99 earns roughly $2.15–$2.80 per sale depending on the marketplace. Use the royalty calculator for your exact numbers.
Do I need to disclose AI-generated content to Amazon?
Yes. KDP's publishing form requires an internal declaration about AI-generated content — this is a checkbox in your KDP dashboard, not visible to buyers. Craftific.com's output is a starting point you edit and declare honestly when you publish.
Can I sell the same interior on Etsy as a printable download?
Yes. Craftific.com generates the interior and the listing for each platform separately. A KDP journal interior can also be exported as a printable PDF for Etsy with different sizing — two revenue streams from one design session.
Go deeper

KDP publishing guides

KDP Interior Design Guide 2026Trim sizes, margins, and which interiors sell most Best KDP Niches 2026Ranked by demand, competition, and price point 50 KDP Journal IdeasProven low-content book concepts that sell on Amazon KDP Mistakes to AvoidThe upload errors that get books rejected or buried KDP Royalty CalculatorNet earnings per sale across US, UK, and EU Also Selling on Etsy?The Etsy digital product workflow →

Your First KDP Book,
Published This Week

No InDesign. No margin calculations. No guessing what sells. Build your interior, cover, and listing — spec-correct — in one session.

Build your KDP book →
Pro plans from $19/mo · See all plans →
Building something else?   Etsy Shop · Notion Templates · Printables Business