The ePub(electronic publication) format is a standard eBook format recommended by The International Digital Publishing Forum. ePub eBooks can be read on Android Phones, iPhone, Apple iPad, Sony Reader, Adobe Digital Editions, online on Bookworm, Feed books and various other desktop applications.

Online conversion becomes popular due to the rapid growing of cloud computing technology. There are many online websites providing free PDF to ePub conversion service, here is a list of my favorites.

PDF to ePub Converter Online – 2EPUB

2EPUB allows you to convert PDF, doc and other types of documents & books to ePub format, the standard format for ebooks, supported by almost every reading device including iPad, iPhone, iPod, Sony Reader, BeBook, Nook, Kobo (for Kindle use .mobi).

PDF to ePub Converter Online – online-converter.com

Online-Converter convert your PDF files, ebooks from other readers or just plain text to the ePub format. This format is known by most ebook readers. Upload a file or provide a URL and click on "Convert file". Optionally you can select the target reader to allow our ebook converter a better accuracy.