mobi to pdf conversion is quite often needed in case you want to view your ebook on a device or in a computer without program that can view .mobi files. To convert mobi to pdf, you can use some of the dedicated ebook management or conversion programs
Calibre is one of the most useful e-books management software as well as e-book converter for Windows, Mac and Linux.
Open Calibre and import e-book with .mobi file extension to it (Add Books button) → Mark the imported with mouse → Click on Convert books button → Select output format to PDF → Click on OK button.