ContextAI is a Chrome browser extension that uses artificial intelligence (AI) to provide contextually relevant responses. It generates content using AI and takes into account the information available on the webpage to generate better responses. Users can access the tool by typing ai or ai <prompt> to get relevant responses, such as congratulating or praising something, disagreeing, or finding a source. Privacy-conscious users can rest easy knowing that the developer has declared that user data is not collected or used for purposes unrelated to the item's core functionality, nor is it used or transferred to determine creditworthiness or for lending purposes. Overall, ContextAI is a useful tool for those who want to quickly get contextually relevant responses while browsing the web. Its AI-generated responses can save users time and help them communicate more effectively.