Highlight That is a free Chrome extension developed by timothy.osm. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. This extension allows users to highlight a list of words on any website, including iFrames and Ajax calls. By utilizing regex, Highlight That ensures smooth performance without causing any slowdowns or crashes.

Using this extension is simple and straightforward. Once installed, users can click on the Highlight This icon, followed by selecting the "New" option. From there, they can enter a title for the highlighting group, choose a color, and input the desired list of words to be highlighted, separated by commas. After refreshing the page, the words will be highlighted as specified.

Highlight That provides a convenient solution for users who frequently need to emphasize specific words or phrases while browsing the web. Its efficient use of regex ensures a smooth experience without any performance issues.