Free audio editor / converter?

[C.J]

I'm wanting an audio editor which I can use for tweaking background noise /cutting / snipping etc, on some files I'm using for a site.

I need to be able to save them in MP3 format, if not I'd need a converter too.

 

[oska]

Audacity with LAME.

 

[wezzel98765]

best converter i've ever used. ... http://www.erightsoft.com/SUPER.html