Free Audio Editor is a multi-award winning audio editing software tool. The Free Audio Editor software includes a powerful MP3 editor feature that can edit MP3 as well as WMA, WAV, and OGG files with ease!
And more, it is free!

Edit audio files visually (Cut, Copy, Delete Selection, Delete Silence, Paste, Paste From File, Mix, Mix From File);
Record audio from a microphone or any other available input device and save directly to WAV, MP3, WMA, OGG, etc. files;
Apply various effects (Amplify, Compressor, Delay, Equalize, Fade In and Fade Out, Flanger, Invert, Normalize, Phaser, Reverb, Reverse, Silence, Shrink, Stretch, Vibrato, etc.);
Burn audio CDs from MP3, WMA, WAV, and OGG. The audio CD burner feature is very powerful, yet easy to use.