Guitar Tuner
Tune guitar, ukulele or bass with your mic.
–
Tap Start and allow the microphone
Strings (tap to hear the note)
How to use
- 1Choose guitar, ukulele, bass or chromatic.
- 2Tap Start tuner and allow the microphone.
- 3Play one string and watch the needle.
- 4Tighten if it's too low, loosen if too high, until it turns green.
Frequently asked questions
What is standard guitar tuning?
From the thickest string to the thinnest: E2, A2, D3, G3, B3, E4 (often remembered as E A D G B E).
How accurate is it?
Within a few cents in a quiet room, which is as fine as most clip-on tuners. Green means within ±5 cents.
Is my microphone audio recorded?
No. The sound is analysed live in your browser and never recorded or uploaded.
Why doesn't it detect my note?
Play a single string clearly, move closer to the mic and reduce background noise. On phones, allow microphone access in the browser settings.
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