Online Guitar Tuner

Tune your guitar with this online tuner. Tune up every time you pick up your guitar. For best results, buy an electronic tuner.

To hear a string, click on the controller next to its letter, or number if you know them by number. If you don’t know which is which: E, or the 6th string, is the fattest string on the guitar.

Once you select a string with your mouse, you can start, stop or restart playback using your space bar—that is sometimes easier than reaching for the mouse.

The biggest problem people make is tuning an octave too high. You will break strings doing that and its not good for your guitar either. I have even see people with electronic tuners go an octave too high. Listen carefully.







E (1st string)






B (2nd string)






G (3rd string)







D (4th string)







A (5th string)






E (6th string)
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