Convert stereo to mono
Mix both channels into one, for voice recordings, phone systems and smaller files.
Drop audio files to make them monoor paste with ⌘V. Your files stay on your device.
MP4MOVWebMMKVAVI
- 1Drop audio files.
- 2They're mixed to one channel.
- 3Download.
- Does my audio leave my device?
- No. Your audio is processed in your browser, on your device, so even long recordings start right away.
- Is there a size limit?
- No limits from us. Recordings of several hours need more memory and time; phones manage shorter files best.
- Does it work offline?
- Yes. Once the page and the audio engine have loaded, it keeps working without an internet connection.
Related tasks
Ready-made settings for common jobs.
Other tools
More ways to work with audio.