Reduce Audio Size

Drastically shrink audio file size by lowering bitrate, sample rate, or converting to mono

Drag & drop an audio file or click to browse

How to reduce audio size:

  1. Select an audio file (MP3, WAV, OGG, M4A, FLAC, etc.)
  2. Adjust reduction settings in the panel on the right
  3. Click "Reduce Size & Export"
  4. Download the smaller MP3

All processing happens in your browser using LameJS – files never leave your device.