MixShuffle: Professional Blind A/B Testing for Audio

MixShuffle is a free, web-based audio comparison tool designed for music producers, audio engineers, and musicians. Compare different versions of your mixes, masters, and tracks - whether you’re evaluating multiple mixes, A/B testing masters, or conducting blind listening tests to choose the best version.

Everything runs entirely in your browser with no downloads, installations, or DAW required. Use it from any device - desktop, tablet, or phone - and compare your mixes from anywhere. All you need is an internet connection and your audio files.

Features

  • 6-track simultaneous playback with synchronized seeking
  • Blind A/B testing with track randomization
  • 5-star rating mode for each track
  • Automatic RMS-based gain matching
  • Loop mode with draggable start/end markers
  • Import from Dropbox and Google Drive
  • Export results as JSON
  • 100% local processing — your audio never leaves your browser

Designed by mastering engineers for professionals and hobbyists alike — completely free.