Guitalele Tuner
Standard A D G C E A tuning. Audio never leaves your browser.
Tap Start microphone, then play one open string at a time. The tuner picks the closest target string and shows how many cents you're off — green when you're within ±5 cents.
Tap any string below to hear the reference pitch.
Your browser will ask for mic permission. Audio is processed locally and never sent anywhere.
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−50¢
0¢
+50¢