Please scroll down for the videos on how to use ukulele tuning pegs and a clip on electric tuners.
To use the online tuner, click on the letter bubble to play the string pitch. Click again to turn off the string pitch.
Here is a video about the parts of the ukulele to help you know how to tune.
Here is a video about ukulele string numbers and names.
Here is a video about how to tune your ukulele.