MIDI Piano Keyboard 2026-05-28

An OBS Studio plugin that visualizes MIDI keyboard input as a real-time piano overlay source.

Features​

• Real-time piano key highlighting on MIDI note input
• Configurable number of keys (25–88) and starting note (MIDI 0–108)
• Auto-detect and reconnect to MIDI input devices
• Customizable colors: white keys, black keys, active notes, outlines
• Velocity-sensitive brightness for active notes
• Adjustable outline width
• Russian and English UI localization

Installation​

Windows​

Download the .exe installer from Releases and run it. The installer will detect your OBS Studio installation path.

macOS​

Download the .pkg installer from Releases.

Linux​

Download the .deb or .tar.xz package from Releases.

Usage​

1. Add a new Source → MIDI Piano Keyboard
2. Select your MIDI device from the dropdown (click Refresh Devices if needed)
3. Adjust key range and appearance to your preference
4. Play your MIDI keyboard — the on-screen piano lights up in real-time

Building from source​

See the OBS Plugin Template Wiki for build instructions.