Zamzar is an excellent online tool that can convert various file types. Zamzar supports conversion between a wide variety of different file formats into five distinct categories - Document, Image, Music, Video and Other Formats. You can see the exact conversion types on offer here. There is a free... 

Free Commander is a great replacement for the standard Windows Explorer file manager. It is a dual-panel file explorer with many additional features. It has all the standard file management operations and it can be used to compare directories, display folder sizes, synchronize folders and more. It...