A free program for Android, by All Mobile ZA.
If you are looking for a simple way to make a ringtone from a song you already own, you’ve come to the right place. With Audio Editor and Ringtone Maker, you can quickly and easily make a new ringtone from an audio file you already have on your device.
The whole process is quite simple and easy to use. First, you need to select the audio file you want to cut and save it to your device. After that, you will be able to cut the best part of the audio file and save it as your new ringtone, alarm, music file, or notification tone.
The best part is that you will not need to pay a penny to use this app.