Concept

EPUB

EPUB is the open standard for reflowable ebooks. It is what Kindle and other e-readers actually want.

Related concepts

How to Format a Book for KDP

Related Inkloom tools

KDP Export

Print presets in all five KDP trim sizes produce single-page PDFs with embedded fonts and gutter margins computed from page count. Kindle export is a reflowable EPUB. Also DOCX, Markdown, and plain text. A readiness check reports what needs attention before you publish.

Book Preview

Preview in three formats: print book (true to your trim's aspect ratio), e-reader (flowing, like Kindle), and editorial manuscript (double-spaced monospace). Print and manuscript previews are genuinely paginated. Click any paragraph to spot-edit.

Typography

Choose from 110 book typefaces with job-based metadata. Preset templates match your book type. Open-license fonts are bundled and embedded in exports. Your typography follows a semantic scale where everything is a ratio of your body size.

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KDP

How to Format a Book for KDP

KDP has specific formatting requirements for print and Kindle files. Getting them right the first time saves rejection emails and rework. Here is what KDP actually wants.

Go from manuscript to KDP-ready files.

Print PDF, EPUB, DOCX, and Markdown from one application. A readiness check reports what needs attention.

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The Manuscript Operating System

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