Fluent Reader is a browser bilingual translation extension designed to provide users with a native-like reading experience. Powered by AI technology, it intelligently translates based on context, providing more accurate translation results. The product supports multilingual bilingual translation, allowing users to choose different translation engines according to their needs and customize translation rules and shortcuts. All data is stored locally, protecting user privacy and security. As an open-source and free non-commercial project, it supports mainstream browsers such as Chrome, Firefox, and Edge, and has high customizability and good compatibility. It is primarily aimed at users who need translation while browsing foreign language web pages, benefiting students, researchers, and professionals alike.