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Complete Guide to the ePUB Format for E-Books

This article describes how you can download ebooks in epub format for free, how to read epub ebooks on your desktop or mobile phones and how to convert PDF, Word and other documents into the ePUB ebook format.


ePub is a standard e-book file format that is supported by all popular e-book reading device including the Sony Reader, BeBook, IREX Reader, iPhone and the Nook from Barnes & Noble’s.

Amazon Kindle reader uses a proprietary format (AZW) and cannot read ePub files directly though there are free tools to convert ePub into MOBI (or even PDF) which is a format that your Kindle can read.

Other than hardware devices, you can also read .epub books on your desktop or mobile phone using free e-reader software like Mobipocket, FBReader (for Linux), Aldiko (for Android) or Adobe Digital Editions.

Download Books in ePub Format

If you are looking to download classic titles in ePub format to read offline, the best place is Google Books (select the “public domain only” option).


google books in epubGoogle Books has more than a million public domain (out of copyright) books in the EPUB format that are completely free and they aren’t protected by DRM so you can read these ebook titles on any device / computer without restrictions.

Project Gutenberg and
FeedBooks are some other useful sites that offers most of their titles in the EPUF format.

Read ePub e-books inside Firefox

Firefox users can download EPUBReader , a free add-on that lets you read the contents of any ePub book right inside their favorite browser without requiring any special software.

epub reader ePub is basically a zip file that contains a collection of text files and images. This add-on will simply uncompress that zip file and display the contents inside your browser.

In regular course, if you click on a link that points to an ePub file, Firefox will prompt you to to save that file onto the hard-drive but with this add-on installed, the ebook will directly open inside your Firefox tab like any other web page.

Additionally, you can open any ePub file that’s on your desktop using the File -> Open File menu in Firefox. All the ebook are automatically stored in your Firefox profile under a separate sub-directory.


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