IN-BROWSER
Stereo to mono converter
Fix one-sided recordings and shrink files by downmixing to mono.
Drag & drop your audio file here
MP3, WAV, M4A, OGG, FLAC · Click to select
Key features
Balanced downmix
Both channels summed at equal gain.
Fixes one-sided audio
Rescues recordings with a dead channel.
Smaller files
Half the channels, half the size.
How to use
- 1
1. Upload your file
Drag and drop or pick a file from your device.
- 2
2. Adjust
Preview the waveform and preview the mono mix.
- 3
3. Export & download
Click Export and save the result to your device.
Frequently asked questions
Common audio formats — MP3, WAV, M4A, OGG and FLAC.