It is also capable of reading non-eBook files such as HTML, PDF, Microsoft Word (DOC/DOCX), Rich Text Format (RTF) and Plain Text (TXT) documents. If you simply try to change the extension, you could wind up with a corrupt and unusable file.Īlong with being an eReader, Calibre comes with a handy conversion tool that can convert any of your eBooks into 16 different formats. Kindle is compatible with eBook files including KPF and EPUB. Just like any other file formats, you need specialized software to handle converting MOBI into a different format. RELATED: Read Mobi eBooks on Kindle for PC How Do I Convert One? For Calibre, all you have to do is click on the “Add Books” button, and then choose one of the options shown in the image below.

Because MOBI is an eBook format, most free desktop eReader programs support opening and viewing them-like Calibre, FBReader, Mobipocket Reader, or Mobi File Reader, to name just a few.Īfter downloading and installing one of the free applications, opening any of your MOBI files is relatively easy.

Mobi kindle