YouConvertIt: Free Online Media File Converter
YouConvertIt is an one stop online conversion service where you can easily convert (almost) any media file in just three simple steps. Enter your email address, choose a file to upload and select the desired format in which you want to convert the file and press the Convert It button! Once the conversion process completes, you’ll receive an e-mail containing a link to allow you to download it.
They support over a hundred conversion formats, including 7 audio, 72 image, 11 video, 46 document and 12 archive formats. You can also send these files after conversion to a friend. If you have been looking for a unit converter, it also has one with tons of conversion options to choose from.