What is ContextLens?
ContextLens is an AI-powered Chrome extension that gives context-aware explanations for words or phrases you highlight on any web page. Unlike a traditional dictionary extension, ContextLens sends the page title to the AI so the explanation fits the specific topic you're reading. Highlight "hierarchy" while studying a feudalism article and it explains the term in terms of feudal lords, not a generic definition. The extension requires no setup and no API key — install it and start highlighting right away. It's aimed at students, researchers, and anyone who reads dense or unfamiliar material online and wants definitions that actually match the context they appear in.
What is ContextLens used for?
Used by students, readers, and researchers to get context-aware explanations of highlighted words and phrases while browsing, tailored to each page's topic.
How much does ContextLens cost?
Pricing not published
Pricing is not listed on the Chrome Web Store; install the extension to see current terms.
Pros and cons
Pros
• Context-aware explanations based on the page topic, not generic dictionary definitions • Sends the page title to the AI so definitions fit what you're reading • No setup and no API key required • Works inline on any web page
Cons
• Chrome extension only • Explanation relevance depends on the page having a clear title or topic
Questions about ContextLens
What is ContextLens used for?
It's a Chrome extension that gives context-aware explanations for words or phrases you highlight on a web page, tailored to the topic you're reading about.
How is ContextLens different from a dictionary extension?
It sends the page title to the AI, so highlighting "hierarchy" in a feudalism article returns a feudal-context explanation rather than a generic definition.
Does ContextLens need an API key or setup?
No. You install it and start using it immediately — no configuration or API key required.
Is ContextLens free?
Pricing is not published on the listing; install it from the Chrome Web Store to check current terms.
What are the best alternatives to ContextLens?
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