About
What is ChordSine?
A playground for the physics of music, where sound becomes shape. Press keys and see why a major chord looks smooth and a tritone looks jagged. Everything runs locally in your browser. For the full explainer, see the guide.
Who makes it?
ChordSine is made by Arpeggiator, one note in a growing arpeggio of small, focused products.
v1.3.0 · 5351cfb · 2026-06-05