EBook File Formats

Last modified by Kashif Iqbal on 2019/11/22 12:28

Ebook files are electronic files that can be opened on digital devices known as eReaders. An eReader can be any device such as a computer, a tablet or a smartphone. The most popular ebook file format is the XML based ePub that can easily be read by several applications. Some popular eReaders include Amazon Kindle, Sony Reader, Hanlin and IRIX. An ebook can contain different types of contents such as text, image, and video. Some providers also make the digital content available for free download or view online from ebook library. With the popularity of ebooks, several publishers have provided step-by-step guide on how to publish an ebook online.

Common ebook file extensions and their file formats include EPUB (electronic publication), FB2 (FictionBook 2.0) and Mobi (MobiPocket eBook File). 

List of EBook File Extensions and Associated File Formats

File ExtensionFile FormatDeveloperApplications Using This File Format
AZWAmazon Kindle eBook FileAmazon 
AZW3Amazon Kinder Format 8 (KF8)Amazon 
EPUBDigital E-Book File FormatInternational Digital Publishing Forum (IDPF)

Apple iBooks

Adobe Digital Editions

Mobipocket Reader

FB2FictionBook 2.0 FileFictionBook

Apple iBooks


KFXAmazon Kindle Format 10Amazon

Kindle App


MobiMobiPocket eBook File  
LITeBook File  
PDFPortable Document File Format  
ODFeBook File  

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