MOBI, MOBI Mobipocket eBook (.mobi)


The .mobi file format

Mobi is a file extension was developed in 2000 by Mobipocket for ebook readers. It is a free software program catering for multiple devices such as smartphones, tablets and PDAs. Amazon took over Mobipocket in 2005, however because MOBI files were no longer supported from then on, no other current eBook reader is able to access the files; consequently AZW file extension replaced it in 2011.


.mobi technical details

The MOBI eBook format is founded on XHTML and is capable of framing in JavaScript. Users can personalize the application by adding pages, notes, drawings, etc. A built in dictionary is included in the Mobipocket Reader. MOBI files resemble the AZW (Amazon Kindle) format without the Java capabilities. MOBI files were designed to cater for devices on lower bandwidth connections -like 3G where there is optimization of file contents.


Additional information about MOBI file format

File extension .MOBI
File category EBOOK
Useful links
File conversion Convert a file to MOBI
Developer Mobipocket SA
Associated programs Apple iBooks, Amazon Kindle, Mobipocket Reader Desktop