Guitar tuner online: Tune your guitar instantly with the free

Tune your guitar instantly with the free Online guitar tuner by GuitarTuna. No sign-up required — fast, accurate, and easy tuning for all skill levels! Guitar-Tuner.org offers a free online tuner for acoustic, electric, bass guitar or ukulele. You can tune your instrument automatically with a microphone or by ear with a simple click. Tune your acoustic, electric, bass guitar and ukulele with Fender's free online tuner. Choose from 22 tuning options, get tips and lessons, and download the Fender Tune app for more features. Tune up your guitar, bass, ukulele, or any string instrument with our free microphone-based online tuner. Just open the web page, grant access to the microphone, and follow the instructions on the screen.