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About
What is Vocab Builder?
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.
