mtools.lol

Mono and Stereo Converter

Convert mono to stereo or stereo to mono, swap channels or keep one side.

How it works

  1. 1Upload audio.
  2. 2Choose the conversion.
  3. 3Download the result.

Features

  • Mono to stereo and stereo to mono.
  • Swap left and right.
  • Keep only the left or right channel (e.g. a lapel mic recorded on one side).

Frequently asked questions

My recording only plays in one ear. How do I fix it?

Choose 'Keep the left channel only' (or right) to play that channel in both ears.

Related tools

Audio ConverterBetaConvert audio between MP3, M4A, WAV, OGG, Opus and FLAC.Audio Volume BoosterBetaMake audio louder or quieter, with a limiter that prevents distortion.Audio EqualizerBoost bass or treble, make voices clearer or give audio a telephone sound.Audio CompressorBetaMake an audio file smaller by lowering its bitrate, with an optional switch to mono.