Tune your guitar
Pluck one open string at a time. Let it ring while you make small adjustments.
Frequency: --
Choose a string if you already know which one you are tuning.
Press Start tuning to allow microphone access.
Audio is processed in your browser. This tuner does not record or upload it. The microphone stops when you press Stop, leave this page or switch tabs.
About this tuner
Uses pitch detection from fgnass/tuner, by Felix Gnass, under the MIT license. Reference pitch: A4 = 440 Hz.