Stereo to Mono Half the size — or rescue one good channel
Choose file
or drop it here — never uploaded
Runs entirely on your device— verify in your network tab: zero uploads.
Voice recordings don't need two identical channels. Converting stereo to mono halves the bitrate a file needs with zero audible difference for speech — and this tool also goes the other way (mono to stereo for gear that demands it) and swaps left/right for recordings made with reversed mics. Local processing, as always.
How it works
- 1Drop your file.
- 2Pick the operation: mix down to mono, duplicate mono to stereo, or swap channels.
- 3Export — pairing with 64 kbps output makes podcast files tiny.
FAQ