SmartXiv is a website that provides personalized arXiv paper summary services for researchers, professors, and students. It leverages advanced AI technology to analyze user preferences and directly sends the most relevant and impactful papers to their inboxes daily, helping users save over 10 hours a week in research discovery time. SmartXiv also offers unlimited customization options, allowing users to tailor categories, subcategories, and update frequencies based on their research interests.