They could be instrumental if you’re preparing one for presentations or to include in a document. There are several free word cloud generator tools for general use. The more often a word appears, the larger it will be in the word cloud. If you don’t know what it is, a word cloud visualizes how often words appear in a given piece of text. This post will cover an example of using the Wordcloud library to generate word clouds. Word clouds (tag clouds) are a great way to visualize text data.