A Tag Cloud Customizer (TCC) provides an interactive legend and a tag cloud generator that allows a user to customize a tag cloud. The interactive legend allows users to map custom display characteristics to a plurality of tag attributes. The tag cloud generator creates a custom tag cloud using the custom display characteristics. The user can also sort the order of tags in the tag cloud by any of the plurality of tag attributes. In one embodiment of TCC, the user can define a custom tag attribute.