fre:ac - fre:ac is a audio converter and CD extractor designed for Microsoft Windows, Mac OS and Linux, distributed under the GNU General Public License.
Ytmp3.cc - By using our converter you can easily convert YouTube videos to mp3 (audio) or mp4 (video) files and download them for free - this service works for computers, tablets and mobile devices.
File Converter - Convert & compress everything in 2 clicks!
OnlineVideoConverter.com - OnlineVideoConverter.
Switchr.net - Switchr is a free online audio converter site that lets you convert audio files on the fly.
VidToMP3.com - VidToMP3.