Find The Right Moment
Use the waveform and playback controls to choose the start and finish of your clip.
PRODUCT OVERVIEW
Try Cool iPhone Ringtone Maker with your own files and decide whether it fits your workflow.

Use the waveform and playback controls to choose the start and finish of your clip.
Add a fade so your short audio clip starts and ends naturally.
The ringtone editor is the free edition: its supported audio export formats do not require a paid key.