BookBuilder Pro — KDP Interior Builder

BookBuilder Pro

KDP Interior Builder

Page Templates

Developed with ❤ by Abdelhay Bel

Click any template to add it. Drag cards to reorder. Check pages to edit in bulk.

0 pages

0 selected

Start Building Your Book

Pick a template on the left, then click Add Selected.

Book Settings

Trim Size (KDP)

Margins

Inner

Outer

Top

Bottom

Line Style (Global)

Thick

Color

Style

Text Style (Global)

Size

Color

Options

Add bleed (0.125")

Show page numbers

Mirrored margins

Page Preview

Page Style Overrides

Set style options here to override the global settings for this page only. Leave fields untouched to inherit from global.

Line Thickness

Line Color

Line Style

Font Family

Font Size

Font Color

Style

AI Idea Helper

Copy the prompt below, then open your favorite AI assistant and paste it. Use the ideas to plan your book structure.

Your book topic Generated prompt

Claude ChatGPT Gemini Copilot

Upload Your Pages — Auto Layout Mode

Drop your artwork (PNG / JPG), pick a layout pattern, and the app builds a print-ready book automatically with correct margins, gutter, and back pages.

1. Your Content Pages

Drop images here or click to browse

PNG, JPG · up to 5 MB per file · 100 files max

2. Back-Page Image

Drop a custom back page

used between content pages when Custom back is selected

Back-Page Pattern

Front only
Each upload = one page. No back. Blank back
Content → blank → content (stops bleed-through) Custom back image
Same back page between every content page Same image twice
Each upload appears as front AND back

Image Fit Page Area

Respect page margins

Auto-rotate to match trim

Shuffle order before building

Extras

Add a title page at the start

Preview

Add files to preview the book layout

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Done