Typeset a DRM-free ebook as a fixed-page searchable PDF

An EPUB and a PDF answer different questions. An EPUB says "here is the text, arrange it however suits the reader's screen". A PDF says "here is exactly how every page looks". Converting between them means making decisions the original format deliberately left open.

Reflowable means there are no pages

In a reflowable book, the text is a continuous stream marked up with structure — chapters, headings, paragraphs, emphasis. The reading app decides where lines break and where pages end, based on the screen size and the type size the reader chose. Change the font size and the page count changes with it. That is why an EPUB's "page 47" is not a stable location.

A PDF has fixed pages. So conversion is typesetting: pick a page size, pick a type size, pick margins, and flow the text into the resulting shape. The ebook conversion tool handles DRM-free EPUB, TXT, and HTML sources and produces a searchable PDF.

The decisions that matter:

• Page size. A4 or Letter for printing; a smaller custom size if the output will be read on a tablet, since a full A4 page on a small screen forces constant zooming.
• Type size. 10 to 12 points for print. This is the setting with the largest effect on page count.
• Margins. At least 20 millimetres, more on the binding edge if the result will be printed double-sided and bound.
• Line spacing. Around 1.3 times the type size. Single spacing looks cramped in long-form reading.

DRM is a hard boundary

Books bought from most major stores are encrypted and tied to an account. No conversion tool can read them, because the content is not accessible without the store's key. A file that will not open is almost always a DRM one rather than a damaged one.

What converts cleanly:

• Books explicitly published DRM-free by their publisher or author
• Public domain texts from open archives
• Technical books from publishers that sell unencrypted files
• Your own manuscripts and exports
• Documentation distributed as EPUB
• Plain text and HTML from any source you are entitled to use

Beyond the technical limit, the ordinary point applies: converting a format is not the same as acquiring a right to the content.

What survives and what does not

Structure generally survives well. Chapter headings, paragraphs, emphasis, block quotes, lists, footnotes, and images all map onto document equivalents.

What changes:

• Internal navigation. A table of contents becomes a static list of page numbers rather than a live index, though links between sections can be preserved.
• Reader preferences disappear. The type size, font, and colour scheme are now fixed at whatever you chose.
• Reflow is gone. This is the whole trade.
• Embedded fonts may be substituted if the source referenced a font that is not available.

Check the first chapter and one deep in the book after conversion. Problems with image placement, heading spacing, and orphaned lines tend to show up consistently once they show up at all.

When conversion is a mistake

Be honest about the direction of travel. If the goal is comfortable reading on a phone or an e-reader, converting to PDF makes it worse, not better. Fixed pages on a small screen mean either unreadably small type or constant panning.

Convert when the destination genuinely wants fixed pages:

• Printing. Physical pages are fixed by definition.
• Annotation. Highlighting and commenting on stable page coordinates.
• Citation. Quoting with page numbers that everyone else can find.
• Archiving. A fixed rendering that will look the same in twenty years.
• Distribution to people whose software you do not know. Every device opens a PDF.

For reading on a screen, the opposite conversion is usually the better move: the EPUB export tool turns a fixed document into a reflowable one that adapts to the device. And if a bright page is the actual complaint, the night reading guide covers cheaper fixes than converting anything.

Practical points

• Plain text needs the most decisions. A TXT file has no structure at all, so chapter breaks and headings are inferred rather than known. Expect to check the result more carefully.
• Check the page count. A book that converts to 900 pages had its type size set too large.
• Watch image placement. Illustrations that floated in a reflowable layout have to land somewhere fixed, and they often land badly across a page break.
• Reading your own manuscript on paper is one of the most reliable ways to find errors you cannot see on screen, and it is one of the best reasons to do this conversion at all.