AudioUtilsaudio-utils.com

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Stereo to Mono Converter

Accepts: 9 formats· Show all
·Outputs: WAV, MP3, FLAC, M4A

Also accepts MP4, MOV, WebM, AVI — audio is extracted automatically.

Mix a stereo file down to mono by averaging the left and right channels. Outputs WAV.

Save as:

Default WAV. Choose another to re-encode.

Your file never leaves your device. All processing happens in this browser tab.