Smart Amazon Ratings is a Chrome add-on developed by Mark Dunne. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory.

The main feature of Smart Amazon Ratings is its ability to add a smart score to each product on the Amazon search page. This score is calculated using a weighted utility of the product's reviews, with the addition of smoothing. By doing so, the scores provided by Smart Amazon Ratings are more useful and informative than a simple average.

With Smart Amazon Ratings, users can easily and quickly evaluate the quality and popularity of products listed on Amazon. This add-on provides valuable insights to help users make informed purchasing decisions.