WebHarmonium

What is WebHarmonium?

WebHarmonium is a free browser-based harmonium instrument designed for quick practice, Sargam drills, pitch referencing, and melody testing.

What WebHarmonium does

WebHarmonium provides a playable harmonium keyboard directly in web browsers. It supports input via laptop keyboard shortcuts, mobile touchscreen taps, and USB MIDI controllers. The interface features visible Sargam note labels from Sa to Ni2, tonic drones for Sa and Pa, bellows volume control, and transpose settings across low, mid, and high octaves. It runs directly in your browser using Web Audio without downloading any app or signing up.

Who WebHarmonium is for

Students learning Sargam, singers checking pitch, music teachers, and hobbyists wanting to play harmonium in a web browser without installing an app.

Key features

• Features a playable browser keyboard with visible Sargam note labels running from Sa to Ni2.
• Supports multiple input methods including laptop keyboard shortcuts, mobile touch targets, and USB MIDI keyboards.
• Provides persistent tonic drone toggles for Sa and Pa to support pitch reference and vocal drills.
• Includes a bellows volume slider to control output levels alongside low, mid, and high transpose options.
• Works on desktop, tablet, and phone without a separate app, supporting Web Audio and Web MIDI.
• Keeps note positions, Sargam flow, and hand movement visible while practicing in one screen.

Facts from webharmonium.vip, checked 8 November 2026

• Runs directly in web browsers using the Web Audio API without installing an app.
• Keybed displays notes from Sa to Ni2 with printed laptop shortcut keys.
• Supports external USB MIDI keyboards via browser Web MIDI permissions.
• Free to open and play in one tab with no install or sign-up.

Written from WebHarmonium's own website (Homepage, About). The maker can claim this listing to edit it.