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.
Audiko - Audiko Ringtones is a free to use mobile application that can help you customize your mobile phone by setting the most beautiful images your background and the most popular ringtones as your notification signals.
File Converter - Convert & compress everything in 2 clicks!
MakeOwnRingtone.com - Make your own ringtone! Follow the steps:
Smallpdf - PDF document management and conversion suite
Leawo iPhone Ringtone Maker - Professional iPhone ringtone maker for Mac, Leawo iAm Ringer helps you make iPhone ringtone, create iPhone ringtone from various video and audio formats easily and fastly.
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.