HN New Comments Highlighter is a Chrome extension developed by Tomasz Radziejewski. This free add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. As the name suggests, this program allows users to track and highlight new comments on Hacker News.

With HN New Comments Highlighter, users can easily keep track of unread comments on Hacker News. The extension displays the number of unread comments in the title, ensuring that users are always aware of new activity on the platform. This feature is particularly useful for those who frequently visit Hacker News and want to stay up-to-date with the latest discussions.

In addition to tracking unread comments, HN New Comments Highlighter offers customization options for styling and colors. Users can personalize the appearance of the extension to suit their preferences, making their browsing experience more enjoyable and visually appealing.

The program also includes convenient keyboard shortcuts for navigating through new comments. By pressing "j," users can jump to the next new comment, while pressing "k" takes them to the previous new comment. These shortcuts streamline the process of reading and engaging with new comments, saving users time and effort.

Overall, HN New Comments Highlighter is a useful Chrome extension for Hacker News enthusiasts. Its ability to track and highlight new comments, along with customization options and keyboard shortcuts, enhances the browsing experience and ensures users never miss out on important discussions.