Convert mp4 to mp3

[Gen]

I ripped a few music videos from youtube, but they're all in mp4 - how do I convert them to mp3 for itunes? I tried a few apps from google but none of them really work, except the ones they want money for?
Any good freeware ones out there?

 

[fishmoose]

Try Evom.

http://thelittleappfactory.com/evom/

 

[Gen]

Worked like a charm.