Web Harmonium
A free online Indian harmonium simulator. Play with your keyboard, mouse, or MIDI controller.
Click to enable audio. Use keys Z-M for white notes, S/D/G/H/J for black notes.
Free Online Harmonium Simulator
Web Harmonium is a free, browser-based Indian harmonium simulator that lets you play this beautiful instrument right in your web browser. Whether you're a beginner learning Sargam notation or an experienced musician looking for a practice tool, our virtual harmonium provides a realistic playing experience with no downloads required.
Realistic Sound Synthesis
Multi-reed audio engine with sawtooth and triangle wave blending, adjustable reverb, and low-latency playback powered by the Web Audio API.
MIDI Controller Support
Connect your MIDI keyboard or controller for a natural playing experience. Also supports computer keyboard and touch input on mobile devices.
Practice Tools
Built-in metronome with adjustable BPM, tanpura drone for pitch reference, and recording/playback to review your practice sessions.
Sargam Notation
Every key displays both Sargam (Sa Re Ga Ma Pa Dha Ni) and Western notation, making it perfect for learning Indian classical music.