ePub is the Open eBook standard from the International Digital Publishing Forum. It is supported in Stanza Desktop, iPhone, iPod Touch, and more. There are also various online services that allow you to read epub ebooks without other hassle software.
Solution
- Ibis Reader
Ibis Reader aims to keep users reading even without an internet connection on iPhones, iPod Touches, and Android phones. With an Ibis Reader account, users can upload epub books and read them on their browsers. Additionally, tons of free epub ebooks are provided on Ibis Reader, which user can directly read online or download to their device.
- Bookworm
After registration, users can add ePub books to their online Bookworm library and read them on their web browser, or download and read with their device like iPhone, Sony Reader, Blackberry and more. However, Bookworm does not support DRM'ed books.
- MagicScroll
MagicScroll is an amzaing html5 based site that lets users read any online EPUB file including books from Google Books and Project Gutenberg in their browsers. To read an epub file from a website, just copy and paste the download link into the bar and then hit the Read file button. Otherwise, MagicScroll provides 50mb storage space for users to upload and read the located files on their browser.
- EPUBReader
EPUBReader is a Firefox addon that can quickly open the epub files in the browser. Just hit the download link of any ePub book and select Open. Users can also read the located epub files by using the Firefox "File/File open" dialog.

Tips
See also
ePub is a standard e-book format which is used by many online ebook library. Here are three online converters where you can convert your eBooks from PDF to ePub or convert epub to other formats.
Nowadays reading ebooks has become a daily thing, but there's one problem you may encounter: Which ebook reader should i choose? You can download a ebook software or buy any instrument like Kindle or iPad or Nook, here's an alternative way lets you read ebooks online. It's cool and worths a try.
iBooks is one of the main attractions for many iPad users. The digital reading experience is greatly enhanced. Although the latest version of iBook supports PDF natively, compared PDF with EPUB format, reading EPUB on iPad seems more comfortable. EPUB can adjust properly to fit whatever size screen your eReader has, and with whatever font size you choose to read at. Most of the eBooks are PDF, how to convert PDF to EPUB on Mac?
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