xHighlighter is a Chrome add-on designed to enhance the web browsing experience by allowing users to search and highlight specific words or phrases on a webpage using boolean search operators and regular expressions. With simple keyboard shortcuts, users can easily initiate searches, navigate through highlights, and utilize features that improve search efficiency. The tool automatically recalls the last search, making it convenient for repeated use.

Recent updates have introduced various improvements, including fixes for command issues and enhancements to the user interface. Users can now save multiple searches, although this feature is still a work in progress. The add-on has also streamlined navigation by enabling arrow key functionality for scrolling through highlighted matches, eliminating the need for additional key combinations unless the search field is not in focus. Overall, xHighlighter provides a versatile solution for users looking to optimize their web search activities.