Play Harmonium Online in Your Browser
A free virtual harmonium instrument powered by Web Audio API.
Play Indian classical music directly in your browser with your computer keyboard or touchscreen.
No download required. Works on any modern browser.
Virtual Harmonium
Click "Load" to initialize the audio engine, then play using your computer keyboard or by clicking/tapping the keys.
Click to initialize the audio engine
What is Web Harmonium?
An online harmonium that uses Web Audio API to synthesize authentic harmonium sounds. Perfect for learning Indian classical music scales (Sa Re Ga Ma Pa Dha Ni Sa).
Authentic Sound
Uses a real harmonium sample with Web Audio API pitch shifting to produce natural-sounding notes across all octaves.
Keyboard Support
Play using your computer keyboard with intuitive key mappings. No MIDI device needed to get started.
Transpose & Octave Control
Easily transpose to any key and shift between octaves for a full range of musical expression.
Dual Notation System
Switch between Western notation (C, D, E) and Indian Sargam notation (Sa, Re, Ga) with one click.
Why Use Web Harmonium?
Whether you are a beginner or an experienced musician, Web Harmonium helps you practice anytime, anywhere.
Key Features
Everything you need for online harmonium practice.
Web Audio API
Low-latency audio synthesis using the browser's built-in Web Audio API.
Volume Control
Adjustable volume slider to set the perfect playing level.
Transpose
Shift the root note up or down by semitones to match any key.
Octave Shift
Switch between 7 octaves for full-range practice.
Touch Support
Touch-optimized keys for mobile and tablet playing.
Dual Notation
Toggle between Western (C D E F G A B) and Indian (Sa Re Ga Ma Pa Dha Ni) notation.
Frequently Asked Questions
Common questions about using Web Harmonium.