Piano Google Chromelle

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