According to AlphaMoat, as of 2026-09, the Chrome extension Popup explanations has 17 users (-10.5% MoM), rated 4.2 (4 reviews) — ranked #7,798 of 9,324 AI browser extensions, and #2,007 of 2,418 in General AI.
What is Popup explanations
Select some text, get a short explanation in a popup. Uses AI so works with jargon, technical terms, and slang no problem. Quickly figure out what a word means just by selecting the text. You don't even need to select exactly right, it will use AI to understand what the word is, and give you a definition in a small popup on the page that goes away if you click anywhere or on the close link.
No login required.
Extension profile
User Growth Trend
Popular in General AI
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.