BrainyAI is an all-encompassing browser tool designed to enhance productivity through the use of AI. It is available as an easily accessible sidebar on your browser and offers multiple functionalities, including chat, search, document reading, web browsing, and content summarization. In the chat hub, users can interact with various advanced AI models to ask questions and receive solutions, providing the opportunity to compare AI responses. With intelligent search, multiple AI engines are employed to deliver the most relevant results, allowing users to simultaneously use Google and various AI search engines. The document reading assistant gives quick access to popular AI models, supporting documents in various formats and leveraging RAG technology to ensure high accuracy. For web browsing and writing, BrainyAI has the capability to provide AI-assisted summaries of web page and YouTube content. It also triggers AI-powered copywriting within the writing interface, thus facilitating an efficient browsing and writing experience.