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MOBI file format

File extension
.mobi
File category
Description
MOBI (Mobipocket e-book format) is an electronic book format designed by french company Mobipocket SA specifically for mobile phones with low bandwidth. It is is based on the Open eBook standard using XHTML and can include JavaScript and frames. MOBI format is popular on ebook readers, especially kindle devices.
Technical details
The Mobi files can frame in Javascript. Pages, notes, and drawings can be attached to the files. Also, the Mobipocket Reader comes with a built-in dictionary. There are 64K limits on images. So, despite the ffact of being troublesome for large devices like desktops and laptops, it has proved to be advantageous for smaller devices like mobile phones. Mobi files are analogous to the Amazon Kindle format. However, it doesn’t have Java capabilities.
Programs
Calibre
Mobipocket Reader
FBReader
Cool Reader
Main program
Amazon Kindle
Developer
Mobipocket
MIME type
mime application/x-mobipocket-ebook