Chrome extensions are small software programs used to customize the browsing experience in real-time on Google Chrome. They can serve a wide range of functions. Some extensions provide specific functionalities like grammar checking, ad-blocking, or password management. Others modify the functionality of specific webpages or the browser itself, such as by adding new features or altering the appearance of websites. They can also automate routine tasks, integrate with other services, and enhance productivity. Because of their ability to interact deeply with the web browser and webpages, the potential uses for Chrome extensions are vast.