Utilidades Ah Negão is a free Chrome add-on developed by Sergio Carvalho. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory.

This add-on brings a range of features, utilities, and fun elements to the popular blog "Ah Negão!". With Utilidades Ah Negão, users can enjoy functionalities such as the option to disable navigation using arrow keys, increase the size of certain buttons, and more.

It's important to note that this extension is not official and has no affiliation with the blog's author. However, it provides an entertaining and enhanced browsing experience for fans of the blog.