Extended Twitter Profile Information is a Chrome add-on developed by gaborharsanyi. It is a free tool that aims to make it more convenient for Twitter users to view profile information without having to hover over each user's profile. With this add-on, users can easily see the number of followers, following, and tweets of the user who created a tweet.

By displaying this information at the top of the tweets, Extended Twitter Profile Information eliminates the need for users to manually search for this data. This can save time and make the Twitter browsing experience more efficient. The add-on is compatible with the Chrome platform and falls under the category of Browsers, specifically Add-ons & Tools.

Overall, Extended Twitter Profile Information provides a simple solution to a common annoyance on Twitter, allowing users to quickly access profile information without any hassle.