"Collections can be exported in a variety of formats like PDF, EPUB, or OpenOffice, " Wikipedia says.
Many can also be downloaded as an ePub for iBooks reader app for iPad and iPhone.
Kobo supports ePUB file formats including rich text and images, offering a top-quality reading experience.
The electronics giant said it would stop using a proprietary standard in favour of the ePub open format.
Reader Wi-Fi handles a wide range of digital formats, including the popular EPUB eBook standard plus PDF and TXT documents.
PCs and laptops can also display ePub e-books, as can high end phones such as Google Android devices and Apple's iPhone.
"EPUB files can be used very easily in an offline environment, " Tomasz Finc, mobile director at the Wikimedia Foundation, said in a written statement.
Booktype can format for a series of standard book sizes, then spit out several file types, including pdf, epub, mobi, odt and html files.
Just log on, download in a relevant format, such as .mobi for a Kindle or EPUB for a smart phone, and start reading instantly.
The eReader also supports EPUB and PDF documents, so customers can enjoy the option of borrowing and reading free eBooks from their local library.
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While we already had a PDF version of the guide, this is our first fully mobile version of the document, compliant with the ePub standard.
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Most Sony Readers can already handle books in the ePub format.
This may not mean the end of all locks on books readable on Sony's device as the ePub format has an option to implement copyright controls.
According to a November 2009 survey, 32% of AAUP members make content available in formats compatible with the Kindle, and 30% via electronic publication (ePub for short).
Unlike many other ebook readers using the ePub file format, consumers will not be able to access ePub content with Apple's DRM technology on devices made by other manufacturers.
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While other e-readers lack a matching facility, if they support the ePub format their owners can still borrow ebooks from their local library if it supports the OverDrive system.
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In addition to highly valued business and professional newspapers, periodicals and eBooks, QUE supports reading and annotating document formats business users need (including PDF files, Microsoft Office, ePub documents and more).
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Sony has also said it will adopt the open EPub format in a move that allows consumers to purchase or download books from the Sony store and read them on any EPub-compatible device.
For its digital bookstore, it has focused on using an open standard, called ePub, that enables people to take their digital books with them to any devices, said Michael Serbinis, chief executive of Kobo.
The "EPUB export feature" makes it easier for people to read free encyclopedia articles on their mobile phones, e-readers or tablets when they don't have a connection, Wikipedia said in a blog post on Monday.
"(It's) not clear so far whether Apple's new textbooks will be open formats (ePub etc.) or only in Apple format, " Mathew Ingram, a senior writer for the blog GigaOm, posted on Twitter after the event.
The downside to all of this is that the prequel book is currently exclusive to Amazon.com preorders and the eBook is specifically announced for the Amazon Kindle and it does not specify whether or not it will be offered in .epub or .mobi format.
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Instead of purchasing e-books through a single online store to read only on compatible software (i.e. books bought from the Kindle Store can only be read on Kindle apps), Google lets consumers buy books either from its store or any other online vendor that sells books in EPUB and PDF formats, and read them on any device with a web browser.
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