Practice, tune and learn music

Metronome, tuner, piano, chords and more - 12 tools right in your browser. No signup, no upload.

Fully private

Sound is made with the Web Audio API in your browser. Nothing is recorded or uploaded.

No installs

Works in any modern browser - no app, no signup, no limits.

Works offline

The theory tools work offline; audio tools just need your device's sound.