Help›Interior Formatter›What is the difference between the PDF and EPUB downloads?

What is the difference between the PDF and EPUB downloads?

Two different products for two different purposes, both built from your one manuscript:

  • PDF — the print interior. A fixed layout at your exact trim size, with set page breaks, margins, and page numbers. This is what you upload to KDP or IngramSpark for the printed book.
  • EPUB — the ebook. A reflowable file: text rearranges to fit whatever screen and font size the reader chooses. This is what you upload for the Kindle/ebook edition.

Because an EPUB reflows, it deliberately has no fixed pages — which is why it looks different on different devices (that's correct). See Why does my EPUB look different on different devices? and How do I test the EPUB?

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