AlphaMoatによると、2026-09時点でChrome拡張機能ContextLensのユーザー数は63(前月比 +37%)、評価は5(14件のレビュー)で、9,324件のAIブラウザ拡張機能中5,014位、教育・研究では676件中389位です。
ContextLensとは
Highlight text on any page and get instant AI explanation, example and context. Free. No API Key. Works on PDFs too. Highlight any text and understand instantly. ContextLens gives you instant AI explanations without ever leaving the page.
HOW IT WORKS: Just highlight any word or phrase → click Explain → understand instantly.
WHAT YOU GET: Meaning — simple, plain English definition Example — real world example Relevance — why it matters in context of what you're reading
PDF SUPPORT: Open any online PDF directly in ContextLens and get context-aware explanations without leaving the page. Perfect for research papers.
PERFECT FOR: → Students reading research papers and textbooks → Researchers dealing with cross-domain jargon → Professionals reading industry reports → Anyone learning something new online
NO FRICTION: → No account needed → No API key required → No copy-pasting → No new tabs → Completely free
ストアの説明の続きを表示▾
Just highlight → click Explain → understand.
拡張機能の情報
ユーザー数の推移
教育・研究の人気拡張機能
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。