Guitar Tuner
The best free online guitar tuner. Tune your acoustic, electric, or bass guitar instantly using your microphone. Accurate chromatic tuning for Standard, Drop D, Open G, and 30+ alternate tunings.
In tune. Now learn a song.
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Popular Guitar Tunings & Resources
Need Something Different?
Create your own custom tuning with any number of strings and notes. Perfect for experimental tunings, extended range instruments, or unique setups.
Try Custom TunerRecommended Gear
Essentials for every guitarist
Guitar Strings
Fresh strings make tuning easier and sound better. A must-have for every guitarist.
View on Amazon →String Winder & Cutter
Makes restringing fast — winder, cutter, and bridge pin puller in one tool.
View on Amazon →Guitar Capo
A good capo is essential for playing in different keys without retuning.
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