Wordle - Word Clouds is described as 'Wordle is a toy for generating “word clouds” from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes' and is an website. There are more than 10 alternatives to Wordle - Word Clouds, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and iPad apps. The best Wordle - Word Clouds alternative is Cloudart. It's not free, so if you're looking for a free alternative, you could try Kumo or Fotowall. Other great sites and apps similar to Wordle - Word Clouds are WordArt, Urim, ImageChef Visual Poetry and WordClouds.com.
It is easy to use, doesn't tell me...you don't have java, so you can't use this, and it has lots of ways to make the results pretty.