MakeCode Audio Converter — Drag & Drop WAV

Drop a WAV file here

PCM WAV (mono or stereo). Stereo will be downmixed automatically.

Drop a WAV to begin.
Uses dedicated threads per frequency bucket (forum technique).

Generated TypeScript (paste into MakeCode)

// result will appear here
Tip: If output is quiet in MakeCode, increase Gain. Large files may be slow to process.