Alphine: AI Dictionary for English Learners is a Chrome add-on designed to enhance the reading experience by providing instant definitions and translations for complex words. This tool detects difficult words in real-time, allowing users to hover or click for immediate explanations without disrupting their reading flow. Currently, the add-on supports translations in Spanish, French, Japanese, and Simplified Chinese, making it a versatile resource for multilingual users.

The application also features a personal vocabulary list where users can save words for future reference. Operating entirely on the user's device ensures that data privacy is maintained, as no information leaves the browser. Lightweight and fast, Alphine is an ideal solution for students, language learners, and anyone eager to expand their vocabulary while browsing.