: Drag the bottom-right corner to adjust height, width, and number of octaves.

: Displays multi-channel MIDI notes in a resizable layout, making it ideal for video demos or learning new songs.

4drX VirtualKeyboard is a versatile MIDI utility for Windows that functions as a virtual instrument, a MIDI effect plugin, and a standalone application. It is primarily used to visualize MIDI notes, record performances, and trigger sounds without a physical MIDI controller. Core Capabilities