Learn new words seamlessly as you browse. Highlight any word for instant definitions. Save words with one click to your library. Track your progress with color-coded mastery on a beautiful new tab dashboard. Perfect for SAT, GRE, IELTS, and TOEFL prep. Works entirely offline on your local device, no accounts, tracking, or sign-ups required. Stop switching tabs and losing focus. Build a high-level vocabulary naturally without interrupting your reading flow.