Audio channel extractor

Pull the left, right, mid, or side channel — or a mono mixdown — out of a stereo audio file.

Decoded and mixed in this browser. Nothing is sent anywhere.

Output is a mono uncompressed 16-bit WAV. Left/right/mid/side need a stereo source; mono files can only be re-exported as mono. Files up to 200 MB that decode within a 256 MiB PCM budget (~12 min stereo at 44.1 kHz).

How to use

  1. Choose an audio file.
  2. Pick the channel operation.
  3. Download the mono WAV.

What it supports

Mono output as uncompressed 16-bit WAV; left/right/mid/side need a stereo file, mono sources re-export as mono. Files up to 200 MB decoded within a 256 MB PCM budget.

Related tools

Related guides