Rickroll Counter is a Chrome extension developed by tobs that aims to keep track of how many times you've been Rickrolled. The extension features an alert system that notifies you when it detects a Rickroll, along with a convenient display of the total number of times you've fallen victim to this internet prank within the extension popup.

When browsing the web, Rickroll Counter works in the background to alert you whenever you unknowingly stumble upon the infamous Rickroll video. It provides a simple yet effective way to monitor and laugh at the number of times you've been tricked by this classic online joke.