Web Harmonium - Virtual Indian Harmonium

About

Play Indian harmonium right in your browser — completely free, no signup, works offline.

Web Harmonium is a virtual Indian harmonium that lets you play this beautiful instrument anywhere, anytime. Whether you're learning Sargam notation, practicing ragas, singing bhajans, or just exploring Indian music, this extension gives you instant access to a harmonium from your browser toolbar.

🎹 FEATURES:

• 2-Octave Keyboard — Full two-octave range (C4 to C6) with realistic multi-reed sound synthesis (sawtooth + triangle wave blending)

• Sargam Notation — Every key displays Sa Re Ga Ma Pa Dha Ni labels, perfect for Indian classical music students

• Computer Keyboard Support — Play using your QWERTY keyboard:
  - Bottom row (Z X C V B N M) = White keys, first octave
  - Middle row (S D G H J) = Black keys, first octave  
  - Top row (Q W E R T Y U) = White keys, second octave
  - Number row (2 3 5 6 7) = Black keys, second octave

• Adjustable Controls:
  - Volume slider
  - Reverb effect with adjustable mix
  - Octave shift (±2 octaves)

• Tanpura Drone — Built-in Sa-Pa-Sa drone for pitch reference during practice

• Realistic Sound — Multi-reed audio engine powered by Web Audio API with 10ms attack and 50ms release for authentic bellows-like feel

• Works Offline — No internet connection needed after installation

• Zero Friction — No account, no signup, no ads. Click the icon and start playing.

🎵 PERFECT FOR:

• Learning Indian classical music (Hindustani/Carnatic)
• Practicing Sargam solfege exercises
• Singing bhajans and kirtans with harmonium accompaniment
• Exploring ragas and scales
• Quick pitch reference while composing
• Music teachers conducting online lessons

🌐 FULL VERSION:

For more features including MIDI controller support, metronome, recording & playback, and detailed tutorials, visit our website:
https://webharmonium.xyz

📧 FEEDBACK:

We'd love to hear from you! Report issues or request features at:
https://github.com/niceweb-harmonium/feedback

Made with ❤️ for the Indian music community.