Free online tool to tune your guitar, ukelele, violin and other instruments! Use your microphone to record audio and see your pitch. Works on any device! 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. Free online tuner for guitar, ukulele, violin, and more. Play your instrument into your microphone and adjust the pitch until the notes are in tune.
