SIMULATOR
Piano Simulator
Click keys below or use Auto-play to test all 88 notes
Detuning preset
Bass=1 · Tenor=2 · Treble=3
Tuning Curve
Cents deviation from equal temperament — on the line = in tune
Input Signal
Live Detection
{# Chart.js — loads early so window.Chart is ready before init() runs.
Then app scripts, then Alpine (defer) last. #}