MP3 Cutter and Ringtone Maker is free Music Editor app creates ringtone, alarms, and notifications from MP3, WAV, AAC and AMR Audio formats. Its totally FREE to Tone your Music! The cut results are stored in "/mnt/sdcard/media/audio/ringtones". How to use Mp3 Ringtone Maker. 1. Select mp3 file from your mobile or from Recordings. 2. Select area to be chopped from your music.