Learn the background of E-PUB, what E-PUB is most commonly used for, and how
E-PUB differs from the Portable Document Format (PDF).

What is E-PUB?

E-PUB is the XML format for reflowable digital books and publications standardized by the International Digital Publishing Forum (IDPF), a trade and standards association for the digital publishing industry. You can read the E-PUB format using a variety of open source and commercial software on all major operating systems, e-ink devices such as the Sony PRS, and small devices such as the Apple iPhone.

How is E-PUB different from PDF?

PDF is still the most widely used electronic document format in the world. From a book publisher’s point of view, PDF has several advantages:

PDF files allow pixel-perfect control over layout, including complex print-friendly layouts such as multiple columns and alternate recto/verso styles.