01 — tool

Guitar Tuner

chromatic. pitch detection runs locally on the mic stream — analysis happens in-memory in your browser, and mic audio never leaves the page.

gleokit needs microphone access to detect pitch. audio is analysed locally — nothing is recorded or sent anywhere.

microphone unavailable

microphone access was denied. allow mic access in your browser settings and reload the page.

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enable mic to start tuning.

−50¢ 0 — in tune +50¢

Reference pitch

A4 = 440 Hz

430–450 Hz, in 1 Hz steps. all note targets recalculate instantly.

Nearest targets

chromatic — every note is a target. tune anything with a pitch.