KZmidi
Capture

KZmidi

Record your MIDI instruments to multi-track .mid files

macOS Windows Linux (amd64)
Physical MIDI input
Screenshot KZmidi

Turn your hardware into a MIDI studio. KZmidi captures every connected MIDI input device simultaneously — one track per device — to a single Standard MIDI File, with an optional metronome and count-in for tight takes.

Features

  • Simultaneous capture from every connected MIDI input device
  • One track per device in the exported .mid (format 1 multi-track)
  • Configurable tempo (BPM) and time signature before each take
  • Optional audio metronome with one-bar count-in
  • Optional metronome track embedded in the exported file
  • Per-device activity LEDs during recording
  • Graceful handling of devices unplugged mid-take
  • Remembers your last save location
Produces MIDI files for
Advanced — Technical details

Environment variables

LANG, LC_ALL, LC_MESSAGES, LANGUAGEUI locale selection (en, fr, es)
FYNE_THEMEForce UI variant: light or dark (overrides OS preference)
FYNE_SCALEUI scale factor (e.g. 1.2 for 120%)
FYNE_FONT, FYNE_FONT_MONOSPACE, FYNE_FONT_SYMBOLOverride default fonts with custom TTF paths