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Guitar Tuner
MusicTune your guitar with standard EADGBE tuning — play each string note in your browser.
ttb run guitar-tuner
Standard Tuning — click a string to hear it
Uses your device speaker — works on mobile too
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Como usar Guitar Tuner
Click any string button to hear its reference tone through your device speaker. Use the tone to tune your guitar by ear — adjust your tuning peg until your string matches the reference pitch. Works on mobile and desktop.
1
Select a string
Click the string button (E2, A2, D3, G3, B3, or E4) to play its reference tone.
2
Listen and compare
Play the same string on your guitar and listen for a "beating" sound when notes are close but not matching.
3
Tune until match
Adjust the tuning peg until the beating disappears and your string matches the reference tone.
Perguntas frequentes
What tuning is this?+
Standard EADGBE tuning: E2 (82.41 Hz), A2 (110 Hz), D3 (146.83 Hz), G3 (196 Hz), B3 (246.94 Hz), E4 (329.63 Hz).
Can I use this without a microphone?+
Yes — you tune by ear, comparing your guitar string to the reference tone played through your speaker.
Does it work on mobile?+
Yes, it uses the Web Audio API which works on all modern browsers including mobile.