Hacker News popular stories highlighter is a Chrome extension developed by amit5148. This free add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

The main purpose of this extension is to highlight popular stories on the Hacker News page. It achieves this by parsing the points of each story and applying a background color to the story item. The shade of the background color corresponds to the popularity of the story, with darker shades indicating higher popularity.

With this extension, users can easily identify the most popular stories on the Hacker News platform, allowing them to quickly access and engage with the content that is generating the most buzz.

Overall, Hacker News popular stories highlighter provides a simple yet effective way to enhance the browsing experience on Hacker News by visually highlighting the stories that are trending and capturing the attention of the community.