Note: There are a lot of word cloud generators outside there. Here we list only a couple. Since this technology changes all the time, you are encouraged to explore more yourself.
Tagul is an eay-to-use online word cloud generator. Users can create word clouds at your choice of shape and color.
Go to Tagul
TagCrowd is a word cloud generator that reflects the frequency of the words by size. It also has some other features like group similar words and convert cases. It also support multiple languages.
Go to TagCrowd