According to AlphaMoat, as of 2026-09, the Chrome extension SurfLexAI has 27 users (+80% MoM), rated 5 (6 reviews) — ranked #6,764 of 9,324 AI browser extensions, and #1,352 of 1,839 in Office & Collaboration.
Double-click any English word to translate and save it. Review with flashcards, quizzes, and writing practice. Tired of memorizing words that vanish the next day?
You looked them up, maybe wrote them in a notebook — but honestly…
🧠 You forget by tomorrow The word you checked today is gone tomorrow. Without spaced repetition, nothing sticks — and your effort goes to waste.
✍️ You can't use them in a sentence You know the meaning, but when it's time to speak or write, you freeze. Recognizing a word and using it are not the same thing.
🤷 Translations feel out of context The dictionary lists ten meanings — which one fits this sentence? You end up with awkward, wrong guesses.
SurfLexAI breaks that loop while you read:
💬 Ask AI while you learn
Works on any webpage and PDF. Sign in to sync your word list between Chrome and the mobile app (mobile app coming very soon — not published yet).
Privacy policy: https://www.surflexai.com/privacy.html
Easy-to-use PDF tools to view, edit, convert, fill, e-sign PDF files, and more in your browser.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.