🚀 Welcome to BlackRatio Studio — Free browser-based music tools, audio-to-MIDI converters, and notation studio!
BlackRatio Studio
THEORY COMPOSITIONFree Browser DSPRead Complete Tutorial

Playable Virtual Piano Keyboard Online

Play piano melodies and chords with your computer keyboard or touch screen. Record your performance and export it directly as a Standard MIDI File.

Interactive Piano Roll (0 Notes)Click • Drag • Resize • Play
0 notes | BPM: 120
Click empty space to add notes • Drag to move • Drag right edge to resize • Press keys to auditionSelection: None
Ready to export your processed arrangement:

How to Use Online Piano Keyboard

  1. Use your computer keys (A-S-D-F-G-H-J for white keys, W-E-T-Y-U for black keys) or click the keys.
  2. Hold the Sustain toggle for ringing notes.
  3. Click "Record" to capture your performance.
  4. Click "Export MIDI" when finished to download your recording.

Key Capabilities

  • Multi-octave keyboard with octave shift buttons
  • Polyphonic multi-key chord support
  • Built-in session recorder with instant MIDI export

Technical Specifications & Acoustic Limitations

Harmonic and scale calculations execute algorithmically using standard pitch-class profiling. Transposition and chord voicings follow common music theory conventions; verify enharmonic preferences (such as sharps versus flats) to match your score arrangement.

Frequently Asked Questions

Can I connect a physical USB MIDI keyboard?↓

Yes. Supported Web MIDI browsers automatically receive input from connected MIDI keyboards.