DeepScholar is an AI-powered productivity tool and browser extension designed specifically for researchers. It aims to significantly reduce the time costs associated with literature retrieval, screening, and information evaluation. By directly displaying journal rankings and impact factors (IF) on mainstream academic search engine and database pages, DeepScholar allows users to quickly assess the quality of literature without frequently switching between pages. In addition, the product offers features such as shortcut-based text translation, full-text translation, lightweight literature management and bookmarking, and one-click access to the full PDF of papers. Positioned as an efficient and low-effort research copilot, it offers free basic usage and affordable paid upgrades starting at ¥2.0 per month, combining high cost-effectiveness with security and stability.