Lightweight Audio Mixer

Mix multiple audio tracks with individual volume control – overlay them into one

Drag & drop audio files here or click to browse

How to mix audio:

  1. Select multiple audio files (MP3, WAV, OGG, M4A, FLAC, etc.)
  2. Adjust each track's volume using the slider below each file (0 = mute, 1 = original, >1 = boost)
  3. Choose output format (MP3 recommended) and bitrate in the settings panel
  4. Click "Mix Tracks & Export" – all tracks will be overlaid (mixed) into one audio file
  5. Download the mixed result – perfect for background music + voice, mashups, etc.

All processing happens in your browser using Web Audio API – files never leave your device.