Ebook publishing guide

How to prepare an EPUB for KDP

A KDP-ready ebook begins with clean manuscript structure and ends with validation and device review. EPUB packages the text, navigation, metadata, and supporting assets, but the reading system controls how reflowable pages appear.

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Prepare the source before exporting

Confirm the final chapter order, headings, scene breaks, front matter, back matter, italics, links, and images in the source manuscript. Fixing structure upstream is safer than patching the packaged ebook and then forgetting to apply the same change to print.

Use real heading roles rather than visual tricks. An EPUB navigation document depends on structure, and assistive reading tools benefit from the same semantic hierarchy.

Final chapter and scene order
Consistent heading hierarchy
Complete title and author metadata
Images sized and described for their purpose

Validate the package and the experience

Technical validation checks whether the EPUB package follows the standard. Visual inspection checks whether readers encounter sensible chapter breaks, working navigation, readable special characters, and images that adapt to the screen.

Use more than one representative environment. A single preview can hide a problem another reading engine exposes. Reflow is expected; broken hierarchy, missing text, or unusable navigation is not.

Review again after KDP conversion

The source EPUB is one stage of the publishing pipeline. KDP processes the upload for its own reading ecosystem, so use the platform's preview tools and correct issues in the source before uploading a replacement.

Keep version names and dates clear. The ebook, print interior, cover, and listing should all correspond to the same final manuscript revision.

A practical workflow

Put the method into the manuscript

Finalize the source

Resolve manuscript and structural edits before creating the package.

Generate the EPUB

Build from the canonical chapter structure and final metadata.

Validate and read

Run technical validation and inspect navigation, typography, links, and images.

Preview after upload

Review KDP's processed result and correct the source if anything changes or breaks.

Questions, answered

Frequently asked questions

Is EPUB the same as Kindle format?

EPUB is a standard source format used in ebook workflows. KDP processes accepted uploads for Kindle delivery, so authors should review the result in KDP's current preview tools.

Should an EPUB look exactly like the paperback?

No. A reflowable ebook adapts to device and reader settings, while a paperback has fixed pages. They should share content and hierarchy, not identical line and page breaks.

What should I validate?

Check package validity, chapter navigation, reading order, formatting, special characters, links, image behavior, accessibility descriptions where needed, and complete metadata.

Can KDP requirements change?

Yes. Confirm accepted formats and current guidance in Amazon KDP documentation at the time of upload.

Publishing topic cluster

Novelbound featureMake an EPUB from the manuscript you revisedTurn your Novelbound manuscript into a structured EPUB 3 for ebook publishing without maintaining a second copy of the book.Novelbound featurePrepare KDP formatting from the manuscript itselfCreate a KDP-ready EPUB and print-interior workflow with trim size, page count, gutter, spine width, cover dimensions, and metadata checks.Novelbound featurePrepare the pieces an Amazon book listing needsMove from revised manuscript to KDP upload files, metadata, description, keywords, cover dimensions, and a deliberate proofing workflow.GuideHow to choose a KDP trim size for your bookUnderstand how trim size affects page count, spine width, margins, cover dimensions, reading feel, and print cost before formatting a KDP paperback.

Your words stay yours

Keep the draft, the decisions, and the finish line together.

Bring the book you have, including the messy version.

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