Convert Stereo Audio to Mono
Downmix audio to a single mono channel for speech, accessibility, and smaller files.
Loading tool…
Runs locally in your browser
Downmix audio to a single mono channel for speech, accessibility, and smaller files. The source stays on your device and is processed with browser APIs or ffmpeg.wasm.
Designed for common audio files
Use MP3, WAV, FLAC, M4A, AAC, OGG, Opus, WebM, or AMR audio. Format support depends on the codec inside the file.
How to audio to mono
- Drop audio to convert to mono.
- Choose the settings you need.
- Press the action button and download the mono MP3.