Converter365.com is a universal online tool for the conversion of a multitude of different formats that is also completely free of charge. To find the format you need, you can search nine categories Image, Vector, Video, Audio, Documents, Archive, Spreadsheet, Presentation, and E-Book.
File Converter - Convert & compress everything in 2 clicks!
AudioBookBinder - Got a lot of audiobooks in MP3 format and would like to listen them on your iPod?
Smallpdf - PDF document management and conversion suite
Listen to books for free - Listen to books for free is an app by Anyreads that allows users to listen to up to 7000 audiobooks right on their mobile phones.
CR2toGPGconverter - If you need to open, edit or print the images from your Canon DSLR that are in CR2 format, you’ll have to convert them in JPG or some more accessible image format.
Audiobook Builder - Audiobook Builder is a software that enables users to turn their audio files into audiobooks which they can sue then on their iPhone, iPad, or any other Apple devices.