Free online tool
Trim MP3 Online Free
Cut MP3 files to the exact length you need - visual waveform, precise controls, no quality loss. Runs entirely in your browser.
Drop a MP3 file here
MP3 · WAV · FLAC · AAC · OGG · MP4 · MOV · MKV · and more
About MP3
MP3 is the most widely compatible audio format. It is commonly used for sharing, streaming, and everyday playback. Trimming MP3 with this tool uses stream copy mode, so the audio is cut without re-encoding and without quality loss.
How to trim a MP3 file online
- 1
Upload your MP3 file
Drag and drop or click to select your MP3 file. It stays on your device - nothing is uploaded.
- 2
Set start and end points
Use the Start and End sliders. The waveform highlights your selection in real time. Hit Preview to hear it.
- 3
Click Trim
The MP3 is cut instantly without re-encoding - no quality loss, no waiting for a server.
- 4
Download your trimmed MP3
Download the file immediately. No registration, no email, completely free.
Frequently asked questions
How do I trim a MP3 file online?
Upload your MP3 file, set the start and end points with the sliders, preview the selection, then click Trim. The trimmed MP3 file downloads instantly - nothing is uploaded.
Will trimming a MP3 reduce its quality?
No. The tool uses stream copy mode - it cuts the MP3 without re-encoding, so there is no quality loss.
Is my MP3 file uploaded to a server?
No. The trimmer runs entirely in your browser. Your MP3 file never leaves your device.
Professional audio restoration
Trimmed audio still sounds noisy?
Trimming removes unwanted sections - but if the remaining MP3 has noise, hiss, hum, or muffled speech, WefixSound engineers can professionally restore it. Free sample before you pay.