Switch is a sound file format converter for Windows or Mac. Convert audio files from many different file formats into mp3, wav or wma. For example convert wav to mp3, mp3 to wav, wma to mp3 or many other formats. Just add the files you want to convert, select the output format, and then click convert.
Audacity is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems. Learn more about Audacity... Also check our Wiki and Forum for more information.