Convert Mono Audio to Stereo
Export mono or multichannel audio as a standard two-channel stereo MP3.
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Runs locally in your browser
Export mono or multichannel audio as a standard two-channel stereo MP3. 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 stereo
- Drop audio to convert to stereo.
- Choose the settings you need.
- Press the action button and download the stereo MP3.