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Stereo to Mono

Mix left and right audio channels into a single mono channel.

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About this tool

Use stereo to mono without uploading files

Mix left and right audio channels into a single mono channel. Stereo to Mono runs in the current browser session, giving you a direct result without sending the source to a Filemazing processing server.

Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.

Three steps
  1. Choose, paste, or enter the source accepted by Stereo to Mono.
  2. Select the conversion direction and output options you need.
  3. Convert the input, inspect the result, and copy or download it.
Useful for

Common stereo to mono tasks

  • Using stereo to mono without an upload queue
  • Preparing recordings for sharing
  • Creating compatible audio copies
Practical details

What to know before you start

Accepted input

Common audio files readable by the local FFmpeg engine

Created output

A converted result produced by Stereo to Mono

Tips and limitations
  • Lossy conversion cannot restore quality missing from the source recording.
  • Listen to the downloaded file before using it as the only copy.
  • Review the Stereo to Mono result before using it in an important workflow.