Mp3 to Ringtone app let you cut best part of your audio and save it as ringtone, alarm and notification tone.
How to use :
1. Select music file from your mobile.
2. Select the cut area from your audio.
3. Set starting and ending points using an optional touch interface.
4. Play the selected portion of the audio.
5. Save the cropped portions as Ringtone/Music/Alarm/Notification.