UkuChords brings you the ultimate online ukulele chord referencing tool! Very advanced, extremely easy to use and above all completely free. Pick a root note at the top and choose the chord variation you're looking for. The chord will pop up on the ukulele fretboard and diagrams will appear below. Use the arrows in the headstock to look for an alternative playing position. Cool, isn't it? Default tuning is GCEA (standard or C tuning) but you can easily change it by choosing a different one or clicking the tuning pegs (desktop only).
The UkuChords chord diagrams are very easy to understand while still containing a ton of information for beginning and advanced ukulele players. To read ukulele chord diagrams you should imagine there is a ukulele in front of you and you are looking at the fretboard with the headstock at the top. The strings are illustrated as vertical lines (from left to right G C E A string) and the frets are the horizontal lines.
All the different chord shapes are represented by dots. Each dot represents the placement of your finger. In the example on the right, you can see an A major chord. So how should you place your fingers? You play the G - first - string at the second fret with your middle finger and the C - second - string at the first fret with your index finger. That little circle (o) at the top of the E and A strings means that you have to play that string open (i.e. not place a finger on it).