Reading guide
EPUB vs PDF: which ebook format is better?
For most digital reading, EPUB should be the default. PDF still matters — but mainly for printing, fixed design, workbooks, and documents where the page layout must not move.
Choose EPUB when reading comfort matters
EPUB is reflowable. That means readers can resize text, change fonts, move between chapters, and read comfortably on phones, iPads, Android tablets, Kobo, Apple Books, and Google Play Books.
Choose PDF when layout must stay fixed
PDF is best for printable editions, visual books, worksheets, forms, manuals, and fixed-layout books where every page must look exactly like the original design.
The best marketplace setup
A serious digital book platform should sell EPUB first, then offer PDF as a fixed-layout or print backup. That gives readers the best reading experience without losing compatibility for design-heavy books.
Is EPUB better than PDF?
EPUB is better for most reading because it reflows text and adapts to screen size. PDF is better when the exact page layout must be preserved.
Which format should an ebook marketplace sell first?
EPUB should be the primary format for reading devices, with PDF offered as a backup for printing and fixed-layout books.
Can one book include both EPUB and PDF?
Yes. WQHXY supports books with EPUB, PDF, or both formats.