Piano for Google Chrome

Everyone has moments when they need quick access to a piano—checking a melody, demonstrating an interval, or simply playing a riff between meetings. Key Features Two-octave keyboard — The popup presents 24 keys (C4–B5). Click, tap, or use the familiar Q-W-E row mapping for natural play. Pure Web Audio — Sine-wave oscillators and quick ADSR envelopes generate crisp notes locally; no samples or downloads required. Practical Benefits Instant creativity – Test motifs the second they appear, without context-switching to another app. Teaching aid – Share screen and illustrate intervals or chords in real time; perfect for remote lessons. Ear-training companion – Keep the popup beside notation software or theory quizzes for quick reference. Ideal User Groups Working musicians and composers needing a pocket-sized scratchpad on any computer. K-12 and university music teachers illustrating concepts without installing lab software. Students in theory or ear-training courses who want a dependable reference instrument. Web developers and audio hobbyists exploring the Web Audio API through a concise codebase. Casual learners and hobbyists testing melodies or intervals while browsing sheet music. Keyboard-only users; full computer-keyboard control makes the tool inclusive. Computer key Piano note MIDI # A C4 60 W C♯4 / D♭4 61 S D4 62 E D♯4 / E♭4 63 D E4 64 F F4 65 T F♯4 / G♭4 66 G G4 67 Y G♯4 / A♭4 68 H A4 69 U A♯4 / B♭4 70 J B4 71 K C5 72 O C♯5 / D♭5 73 L D5 74 P D♯5 / E♭5 75 ; (semicolon) E5 76 ' (apostrophe) F5 77