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Stereo ↔ Mono in your browser
Mix down to mono or duplicate a mono signal into stereo. Use stereo ↔ mono locally in your browser without an account or file uploads.
How to use stereo ↔ mono
- Choose a file using the file picker or drop zone.
- Review output channels and adjust the available settings.
- Create the result, review its preview and download it before leaving the tool.
Before you start
Audio is decoded and processed locally, up to 10 minutes per file and 150 MB in total. Browser codec and memory limits apply. Audio exports use PCM WAV unless the tool states otherwise.
Selected files are limited to 150 MB total (100 MB for video). Results stay in this tab; download before leaving. Read the privacy policy.
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