MP3 Converter - Mp3 Converter is a free to use as YouTube to MP3 converter that allows you to convert and download YouTube to MP3, MP4, F4V and 3GP formats.
Zamzar - Free conversion online of many type of documents (images, text, video, audio...
Absolute Audio Converter - Absolute Audio Converter is an award-winning audio converting software.
Online Convert - Convert files like images, video, documents, audio and more to other formats with this free and fast online converter.
Kingshiper MP3 Converter for Mac - Kingshiper MP3 Converter for Mac is the best audio converting software that can convert audio/video files to MP3, WAV, M4A, AAC, WMV, FLAC, and other formats at a fast speed.
Convertio - File Conversion in the Cloud