Using Free Word Cloud Generator is easy. You simply go to the site, paste in a chunk of text, and then click "visualize." Your word cloud can be downloaded as a PNG or JPEG file. There are options to exclude numbers and special characters from your word cloud. You can also change the font type, color, and display density.
Applications for Education
Free Word Cloud Generator doesn't require users to register. In fact, there doesn't appear to be an option to register. That should make the tool a little easier for some students to use compared to other word cloud tools. In general, word cloud tools like Free Word Cloud Generator are good for helping students identify the most frequently used words in passages of text they are reading and or writing. In the context of analyzing their own writing word clouds can help students identify words or phrases that they might be using a little too often.