Filmaffinity on Netflix is a Chrome extension developed by mik.corcuera. This free extension falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

The main purpose of this extension is to display Filmaffinity ratings on Netflix shows and movies. It provides users with the average user ratings, as well as the distribution of professional ratings. This allows Netflix users to get a better understanding of the quality and reception of the content they are about to watch.

In addition to the ratings, Filmaffinity on Netflix also includes Carlos Boyero's reviews on the side. This adds an extra layer of information and insight for users who are interested in reading professional reviews before deciding on what to watch.

Overall, Filmaffinity on Netflix is a useful extension for Netflix users who want to have access to ratings and reviews from Filmaffinity while browsing through the available shows and movies on the platform.