#039 Tuner

Chromatic and string tuner on the Web Audio input, in an AudioWorklet

Input

Source

Device

Level

–

Gate

Tuning

Instrument

Strings pure fifths from A (3 : 2)

Transpose

Names

Response

Speed

In tune

Display strobe history smiley in tune

Reference

Install

Other browsers

iPhone / iPad (Safari, or Chrome on iOS 16.4+): Share → Add to Home Screen → Add
Android (Chrome): menu ⋮ → Install app (or Add to Home screen)
Samsung Internet: menu ≡ → Add page to → Home screen
Firefox on Android: menu ⋮ → Install
Chrome / Edge on a computer: the install icon at the right of the address bar, or menu → Cast, save and share → Install page as app (Edge: Apps → Install this site as an app)
Safari on a Mac (macOS 14+): File → Add to Dock

Open it once with a network connection; after that it opens and tunes offline.

Detector

–

Space: hold the reading · C: clear string offsets and sparklines · R: target tone · A: concert A · ←/→: test tone ±1 semitone · H: panel · click a string to lock it