Web Harmonium
A free, browser-based digital harmonium simulator that replicates the sound and feel of a traditional Indian harmonium. No download required — open and play instantly.
Features
Browser-based : Works directly in your browser, no installation needed
MIDI Keyboard Support : Connect your MIDI keyboard and play with realistic key-by-key interaction
Volume Control : Adjustable master volume
Reverb Effect : Built-in reverb for rich, ambient sound
Transpose : Transpose keys to any musical key (C, D, E, etc.)
Octave Adjustment : Control the octave range from -3 to +3
Additional Reeds : Layer multiple reed sounds for a fuller tone
Keyboard Playable : Play using your computer keyboard as an alternative to mouse clicks
Use Cases
Music practice and learning
Composing Indian classical or devotional music
Performing live without carrying a physical instrument
Music teachers demonstrating harmonium techniques
Casual music exploration in the browser
Technical Details
Built with the Web Audio API for real-time audio synthesis. Fully responsive and works on desktop browsers. Free forever — no account needed.
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