Channel Converter

Convert audio between mono and stereo channels

How to use:

  1. Upload your audio file (up to 100MB)
  2. Select mono or stereo output
  3. Click "Convert Channels" to process

1. Upload Audio File

Drag and drop files here

or click to browse

Accepted: .mp3, .wav, .flac, .aac, .ogg, .m4a

Max size: 100MB

About the Channel Converter

Convert audio between mono and stereo in seconds. Upload your file and switch a single-channel mono recording to stereo, or fold stereo down to mono, then download the result — free and entirely in your browser.

Key features

  • Convert mono to stereo or stereo to mono
  • Fix channel issues in recordings
  • Reduce file size by converting to mono
  • Free, fast and no software needed

Frequently asked questions

When should I convert to mono?
Mono is useful for voice recordings and reduces file size; stereo is better for music with left/right separation.
What formats are supported?
MP3, WAV, FLAC, M4A and other common audio formats.
Is the channel converter free?
Yes, it is free to use with no signup.