This is an extremely simple and handy Windows software for editing mp3 files. Editing Commands: Delete Selected - Deletes selected part from the mp3 document. Delete Unselected - Deletes unselected part from the mp3 document. Change Volume - Changes audio volume by specifying a percentage value. Maximize Volume - Increases volume as high as possible without distortion. Fade In - Gradually increases the volume throughout the selection. Fade Out - Gradually decreases the volume throughout the selection. Convert to Stereo - Duplicates mono track to make a stereo track. Convert to Mono - Mixes all channels to make a mono track.