MP3 Cutter Online – Trim Audio Instantly
Cut MP3 files online instantly using a precise waveform editor. Trim audio, remove unwanted parts, and download high-quality results without uploading your files.
Tool Information
Runs in browser:Yes
Upload required:No - processed locally in your browser
Third-party processing:None
File retention:Files stay on your device and are not stored by Convertios.
Max file size:100 MB
Supported formats:MP3 and browser-supported audio → Trimmed audio file where supported
Cut exactly the part of a song you want
An MP3 cutter is for taking one piece out of a longer track: the chorus for a ringtone, ten seconds of music for a video intro, a quote from a recorded talk, or a short clip to share in a chat. You mark where the clip starts and ends, listen to it, and download only that section as a new MP3.
Making a precise selection
- Drag on the waveform to mark the section roughly. Loud passages show as tall peaks, which makes it easy to spot where a chorus or a beat begins.
- Use the zoom slider to stretch the waveform when you need to place the edges between two words or two beats.
- Read the start and end times below the waveform as you drag the edges of the highlighted selection. These time labels are not editable fields.
- Press play to preview the recording. Playback follows the playhead; the downloaded file contains only the highlighted selection.
Making a ringtone
- Pick a part that starts strongly — a ringtone that begins with silence sounds like a missed call.
- Keep it short. Many phones work best with ringtones under about 30 seconds.
- Start the clip just before the first beat so it does not sound cut off.
- Export, then set the MP3 as a ringtone in your phone’s sound settings.
About the exported file
The selection is saved as a 192 kbps MP3. Stereo tracks stay stereo, and mono recordings stay mono. Because the clip is encoded again, the result is not a bit-for-bit copy of the original, but at 192 kbps the difference is not audible for normal listening.
To clean up a voice recording instead of a song, see Trim Audio Online. To change the file type without cutting, use the Audio Converter.
Questions about cutting MP3 files
Can I cut a song I downloaded?
Yes, for personal use such as your own ringtone. Sharing clips of music you do not own may break copyright rules.
Is the song uploaded?
No. The audio is decoded and cut inside your browser.