https://learntrix.in Free in-browser developer utilities, verified financial calculators, musical instruments, and retro arcade games. 100% client-side privacy, zero uploads. en © 2026 Learntrix contact@vyuhantrix.com (Learntrix Team) contact@vyuhantrix.com (Learntrix Team) Mon, 26 Oct 2026 12:16:18 GMT 60 https://learntrix.in/icon-512.png https://learntrix.in 512 512 https://learntrix.in/instruments/virtual-piano https://learntrix.in/instruments/virtual-piano Play 2 full octaves of realistic grand piano, rhodes, and 8-bit chiptune with your computer keyboard or touch. Record melodies live with low-latency Web Audio. Mon, 26 Oct 2026 12:16:18 GMT Instruments https://learntrix.in/instruments/virtual-drum-kit https://learntrix.in/instruments/virtual-drum-kit 100% native synthesized acoustic drum kit and 16-step beat sequencer. Play kick, snare, hi-hats, toms, and crash cymbals with your keyboard. 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