Chromatic Piano

One octave, C4 → C5 · 13 keys · polyphonic ADSR synth (Tone.js, fully synthesized — no audio files)

Audio idle — click a key or press a mapped key
Play with the mouse / touch (drag across keys for a glissando) or your keyboard: A W S E D F T G Y H U J K
Active voices: 0 · Last note: —

Key mapping

Voice activity (attack / release)

waiting for the first note…