Adblock Plus is a popular browser extension designed to block unwanted advertisements on websites. It helps users enjoy a cleaner browsing experience by preventing intrusive ads, pop-ups, and video ads from appearing. This tool can improve page loading times and reduce data usage, making it especially useful for mobile users. The extension is available for various web browsers, including Google Chrome, Mozilla Firefox, and Microsoft Edge. Users can customize their ad-blocking preferences and even allow certain ads that meet specific criteria, promoting a balance between user experience and website revenue.