Mac users! - Youtube vid to mp3?

[Steve_90]

I knew how to do this on my old Windows laptop but ive since bought a Mac and don't know how to do it.
I wanna be able to get the audio from a Youtube video in high quality.. how do I?

[P90PTS]

http://tube2mp3.de/

Enter the URL, ensure MP3 is checked, click convert. Et Voila.

[betty02]

www.zamzar.com/url

I use nothing else.