Native macOS app

Print‑ready book covers
without the guesswork.

KDP Cover Studio calculates spine, bleed and safe‑area from official Amazon KDP and IngramSpark specs — then exports a vector PDF that's verified before it ever reaches your uploader.

Paperback · Hardcover · eBook · One‑time purchase, no subscription
KDP Cover Studio editor showing a full‑wrap paperback cover with live guide rails and a live dimensions panel

The opportunity — and the problem

Millions of books launch every year. Most are judged in a heartbeat.

Amazon KDP and IngramSpark are how the world self‑publishes — and on both, your cover is the first thing a reader ever sees.

3.5M+
new self‑published titles in 2025
Bowker / ISBN registrations — up ~40% in a year
5 : 1
self‑published vs. traditional, in the US
Indie titles now outnumber traditional 5 to 1
40,000+
stores & libraries IngramSpark reaches
Across 200+ countries — beside Amazon's global store

Every one of those books is a thumbnail the size of a postage stamp. The cover is the first — and often the only — thing a shopper sees before they scroll past. A great one earns the click. A weak one is invisible.

What goes wrong for authors today

Three things stand between your book and a cover that sells.

PAIN 01

“Cover does not meet requirements.”

Get the spine width, bleed or safe area wrong and your upload is rejected — sending you back to re‑measure and re‑export, losing days before launch.

Solved: exact spine, bleed & safe‑area computed from official specs, updated live and enforced on the canvas.
PAIN 02

The tools cost more than the book earns.

A Photoshop or InDesign subscription — or a $300–500 freelance cover, per title — quietly eats the thin margins of self‑publishing.

Solved: a focused one‑time purchase. Design it yourself in minutes, no subscription, no per‑book design fee.
PAIN 03

It vanishes at thumbnail size.

The cover looks fine full‑screen, but turns muddy and unreadable as a tiny Amazon thumbnail — so it never earns the click that drives sales.

Solved: live thumbnail preview plus preflight that flags low contrast, low DPI and off‑safe text before you publish.

Built for self‑publishers

Everything a compliant cover needs, in one place.

No subscription design suite, no spreadsheet of spine math — just the exact numbers, enforced as you design.

Exact sizing, automatically

Full‑wrap width, spine and bleed are computed from your trim size and page count — and update live when either changes.

Paperback, hardcover & eBook

Each binding is kept as its own independent draft, so tweaking one never disturbs the others.

Guide rails that are enforced

Safe lines, spine‑fold and barcode reserve are drawn on the canvas — and text is kept inside them for you.

ISBN barcode generator

Turn an ISBN‑13 into a vector EAN‑13 barcode with check‑digit verification, placed in the reserved zone.

Vector PDF, read‑back verified

Export a single‑page PDF at the exact MediaBox — then the app re‑reads it to confirm size, page count and embedded fonts.

Preflight before upload

Contrast, effective DPI, overflow and off‑safe‑area issues are flagged early, so surprises don't reach the printer.

A guided start

From trim size to finished cover.

A short wizard sets your platform, binding, interior paper and trim size against the official spec — then hands you a canvas that already knows its dimensions.

  • Official KDP & IngramSpark spec presetsVerified against the official cover calculator.
  • Templates, 3D mockups & batch variantsStart from a style, preview a real book, export many at once.
  • HTML ↔ canvas workflowDesign in HTML or drag on the canvas — they stay in sync.
  • English & 简体中文Switch the interface language any time in Settings.
New Cover Project wizard showing binding options with official page ranges and bleed

Your work stays on your Mac.

KDP Cover Studio has no account, no sign‑in and no data collection. It runs entirely on‑device — nothing about your books is ever sent anywhere.