How to use the Trim and cut audio
- 1Drop an audio file — its waveform appears.
- 2Set the start and end (drag the sliders or type times like 0:42.5) and preview.
- 3Add fades if you like, then click “Cut & save”.
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Frequently asked questions
How long should a ringtone be?
iPhone ringtones can be up to 40 seconds and must be added through a computer or GarageBand. Android accepts any MP3 as a ringtone.
Is my data sent anywhere?
No. Everything is calculated in your browser on your own device — nothing you type or upload is sent to a server.