A custom ringtone makes your phone distinctly yours and means you know it's your phone ringing in a room full of them. Making one takes a few minutes: trim the audio to the section you want, get the right length and format for your phone, and set it.
Step 1: Choose and Trim the Section
The best ringtone section is usually:
- The hook or chorus — the most recognisable part.
- The first few bars — for instrumental tracks.
- A section that starts with energy, not a quiet build — it needs to catch your attention when you hear it.
- Open Audio Trimmer.
- Upload the MP3 or other audio file.
- Set the start and end to capture 25–35 seconds.
- Download the trimmed file.
Step 2: Android vs iPhone
Android
Android phones accept MP3 directly as a ringtone. Save the trimmed MP3 to your phone:
- Transfer the file to your phone (WhatsApp, email, USB cable or cloud storage).
- Move it to the
Ringtonesfolder in internal storage if one exists. - Go to Settings → Sound → Phone Ringtone (or similar path depending on Android version).
- Find and select your file.
iPhone
iPhones use M4R format for ringtones:
- The trimmed audio needs to be converted to M4A and renamed to M4R.
- Added to iPhone through iTunes/Finder on a computer as a "Tone".
- Set in Settings → Sounds → Ringtone.
iPhone ringtones also have a strict 30-second maximum. Trim to 28–30 seconds to be safe.
Tips for a Good Ringtone
- Start at the recognisable part — not the intro. By the time it loops, people should know what song it is.
- Avoid very quiet starts — a ringtone that starts softly often gets missed.
- Test at your normal volume level — a ringtone that sounds great at full volume can be hard to hear at 50%.
For Notification Tones
The same process works for notification sounds, but shorter — 2 to 5 seconds is standard. Trim to just a beat, note or phrase and save the same way. For the audio trimmer itself and its other uses, see how to trim an MP3 or cut a song.
Testing the Ringtone Before Setting It
Before setting the trimmed clip as your ringtone permanently, listen to it through your phone's speaker at different volume levels. A ringtone that sounds great at full volume may be hard to hear on vibrate or at 30% volume. Also consider the listening context — a quiet office environment versus a loud street — and pick a clip with enough energy to be heard in louder situations. Once you've set the ringtone, call your own phone from a second phone to hear it as callers will trigger it — the start of the clip is what you'll hear repeatedly, so those first two seconds should be the most recognisable part. For the full trimming process, see how to trim an MP3 or cut a song.