COCA Word Wise chrome extension
Web-wide Word Wise for English learners
COCA Word Wise chrome extension launched on April 19, 2026.
What it does
COCA Word Wise is a Chrome extension that builds English vocabulary as you browse. A 2-minute test places you into 1 of 16 levels. Red hints appear above unfamiliar words on any webpage — hover for definition, translation, and rank; click to hear pronunciation. Supports 15 languages. All data stays local, no account needed. One-time purchase, lifetime access.
## Features ### Adaptive Placement Test A smart binary-search algorithm tests your vocabulary and places you into one of 16 proficiency bands (each covering ~1,000 words from the COCA frequency database). The test takes about 2 minutes and calibrates hints precisely to your level — no guesswork, no overcrowding, no boredom from hints on words you already know. ### 16,805-Word COCA Database Built o
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Word Wise2025 · chromewebstore.google.com · ▲12Save words in the language you are learning & practice them
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