Audio Channel Converter
Use this to shrink podcast and interview archives by going mono, or to up-convert mono voice-overs so pro editing software accepts them.
Free to download, install and update. No signup; all 76 tools are free within daily limits, Pro only lifts the limits.
What it does
Use this to shrink podcast and interview archives by going mono, or to up-convert mono voice-overs so pro editing software accepts them.
How to use it
- 1Drag the audio files into the list.
- 2Pick a Target Channel Mode: Mono or Stereo.
- 3Click Run.
Use cases
Shrink a podcast archive
Add the stereo podcasts, target Mono, run. Files halve in size, speech quality stays fine.
Mono-ify interview recordings
Add the stereo interviews, target Mono, run. Saves storage.
Promote mono voice-over to stereo
Add the mono files, target Stereo, run. Pro software opens them happily.
Simplify a dual-channel field recording
Add the stereo field files, target Mono, run.
Frequently asked questions
Is Audio Channel Converter free?
Yes. Downloading, installing and updating BulkPro is free and requires no signup. All 76 tools work for free within daily usage limits; Pro plans only lift the daily limits of the modules you pick.
Local processing
Runs on your CPU/GPU. No file leaves your machine.
Batch ready
Process dozens or thousands of files in one run.
Part of BulkPro
Bundled with 76 tools across 7 modules: one install, one app.
Full UI reference, step-by-step workflows, edge cases
Every input, button, and behavior documented for advanced users.