AdGuard is a software application designed to block ads and enhance online privacy. It works by filtering web traffic to prevent unwanted advertisements from appearing on websites and in apps. This helps improve page loading times and provides a cleaner browsing experience. In addition to ad blocking, AdGuard offers features like tracking protection and parental controls. It can be used on various devices, including computers and smartphones, and is compatible with multiple web browsers. By using AdGuard, users can enjoy a more secure and less cluttered internet experience.