MP3 cutter

Trim a recording, keep one section of a song, or cut the silence off the ends. Drag the start and end on the waveform, add a fade if you want one, listen to the piece, and save it as MP3 or WAV. Everything runs in your browser.

This page needs JavaScript for the tool itself. Open it in a browser to use it.

How it works

Drop the file on the page. Your browser decodes it and draws the waveform. Drag on the waveform, use the sliders, or type times to a tenth of a second to set where the piece starts and ends. Play the piece to check it, then save. The encoder runs in a background thread and the file is offered for download from your device.

Fades

A fade in and a fade out of half a second remove the click a hard cut can leave. Two or three seconds make a natural ending for a section taken from the middle of a song. Fades are applied to the saved file and to the preview, so what you hear is what you get.

MP3 or WAV

Save as MP3 for a phone, a message or a website; 192 kbps is a good default and 320 kbps the best MP3 can do. Save as WAV when the piece goes into an editor or a session, so it is not compressed a second time. The sample rate and channels of the source are kept.

What the browser can read

MP3, WAV, AIFF, FLAC, OGG, M4A and the audio track of MP4 and MOV video. The whole file is decoded in memory, so a phone manages a typical song or episode and a laptop manages hours of audio.

Make a ringtone instead

From the label's own toolbox

BeatRootRaga is an independent label. Cutting a reference section out of a long take is daily work, and this cutter is the one the label uses, put online for anyone. To convert a whole file rather than a piece, the audio converter is next door.

Convert a whole file

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Questions people ask

Is the MP3 cutter free, and is my file uploaded?

Free, no account, and nothing is uploaded. The file is decoded, cut and encoded inside your browser.

How precise is the cut?

To a tenth of a second by typing, finer by dragging on the waveform. The cut is made on the decoded audio, so it lands exactly where you set it, not on the nearest MP3 frame.

Does cutting an MP3 lose quality?

The piece is decoded and encoded again, so it goes through one more MP3 pass. At 192 kbps or more the difference is not audible for most listeners; save as WAV if you want to avoid it entirely.

Can I join pieces or cut several sections at once?

Not on this page. It cuts one piece per file. Run it again for another piece.

Can I use it for a video?

Yes, for the sound: drop an MP4 or MOV and the audio track is cut. The video itself is not changed.