Mp3 Cutter Ringtone Maker. Cut the best part of your Audio file and set it as your phone's Ringtone. Cut Files will be store in your phone. Support multi-formats. How to use Mp3 Cutter Ringtone Maker. Select your music file from list In Mp3 Cutter And Ringtone Maker Application. Select area to be cropped from your mp3 file With the help of Mp3 Cutter App in audio.