Use "Add Files" or "Add folders" to add MIDI files to conversion list. You can also drag and drop MIDI files from Windows Explorer to MIDIRenderer. Operating Systems: Windows 7 32 bit / Windows 8 32 bit / Windows7 64 bit / Windows 8 64 bit / Windows 8.1 32 bit / Windows 8.1 64 bit / Windows 10 32 bit / Windows 10 64 bit / Windows 2000 / XP / Vista / XP 64 bit / Vista 64 bit Free MIDI to MP3 Converter Offline Installer Technical Details Items you will need If you want to quickly convert MIDI to MP3, please use Direct MIDI to MP3 Converter. How to convert a midi to mp3 mind address midi to mp3 The MID file format was developed to transfer data in between applications for musicians and audio developers, allowing them to play multiple files from a single controller. The files contain specifications for various parameters like notation, pitch, velocity, and control signals. All of these help in tempo control for multiple devices. The MID file format offers compactness, ease of modification, and choice of instrument.