According to AlphaMoat, as of 2026-09, the Chrome extension Alphine has 15 users (+7.1% MoM), rated 3 (2 reviews) — ranked #8,138 of 9,324 AI browser extensions, and #603 of 676 in Education & Research.
What is Alphine
No more pausing to look things up—understand tricky words instantly while you browse. Alphine makes reading the web effortless by instantly explaining complex words with clear definitions or translations, right on the page.
No more copy-pasting into a dictionary. Alphine highlights tricky words as you browse and gives you instant explanations, powered by AI.
Best of all? It runs entirely on your device. Your data never leaves your browser, so your reading stays private and secure.
How it works
- Detects difficult words in real time as you read
- Hover or click for instant definitions or translations (currently supports Spanish, French, Japanese, and Simplified Chinese)
- Save words to your personal vocabulary list
- Lightweight, fast, and distraction-free
Why Alphine?
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- Instant word help without breaking your flow
- 100% client-side—your data stays private
- Perfect for students, language learners, and curious readers
Extension profile
User Growth Trend
Popular in Education & Research
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.