An AI extension is a browser add-on or plugin that leverages artificial intelligence to enhance user experiences, automate tasks, or streamline workflows. These extensions can analyze web content, provide real-time suggestions, automate repetitive actions, or assist with data extraction. Common uses include grammar checking, summarizing articles, translating languages, or offering personalized recommendations. By integrating AI capabilities directly into the browser environment, AI extensions help users work more efficiently and make smarter decisions online. They often rely on cloud-based AI models or local processing to deliver their features, making advanced technology accessible to everyday users.