Bup → Midi converter

Description
This is the tool that converts YAMAHA's instruments backup files (.bup) to "Midi" files
Features
  • Each "Midi" track is extracted as a separate file
  • Your "Bup" file stay private: no data transferred to the server, conversion takes place in your browser
Known limitations
  • "Midi" files with multiple tracks are not supported
  • Empty/not working "Midi" files may occur in result archive
  • YAMAHA YDP-161/YDP-141 are not supported
Source
Based on algorithm described on habr.com