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Audio Channel Tools

Remix channels: mono, stereo, swap, pan, or split to a zip.

Change channel layout with a live Web Audio preview and local ffmpeg export.

No audio selected.

You can also drop a file here.

Output
Awaiting output.

Status

What Audio Channel Tools does

Audio Channel Tools remixes channels: stereo to mono, mono to stereo, swap, pan balance, or split left and right into a zip.

Preview uses the Web Audio API. Export runs ffmpeg pan filters locally.

How to use it

  1. Choose an audio file.
  2. Pick a mode. For pan, set the balance.
  3. Play preview, then Apply and export (or Export split zip).

Formats and limits

  • Opens common audio files the browser can decode.
  • Exports MP3 or WAV. Split mode builds a zip of both channels.

Settings explained

Mode
Stereo to mono, mono to stereo, swap, pan, or split to two files.
Pan
Balance from left (0) to right (1) when Mode is Pan.

Privacy

Processing stays in this tab. Nothing is uploaded.

FAQ

What does split do?

It exports the left and right channels as separate mono files in one zip.

Related tools

All processing runs locally in your browser. This tool is provided as-is without warranty. Keep backups of your original files before processing.

By uploading media, you confirm you own the content or have permission to modify it. Please read the Terms and Conditions.