Record your MIDI instruments to multi-track .mid files
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.
| LANG, LC_ALL, LC_MESSAGES, LANGUAGE | UI locale selection (en, fr, es) |
| FYNE_THEME | Force UI variant: light or dark (overrides OS preference) |
| FYNE_SCALE | UI scale factor (e.g. 1.2 for 120%) |
| FYNE_FONT, FYNE_FONT_MONOSPACE, FYNE_FONT_SYMBOL | Override default fonts with custom TTF paths |