ContextLens - AI word & Text Explainer for any Webpage or PDF

by Divyanshi Rawat · Education

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Highlight text on any page and get instant AI explanation, example and context. Free. No API Key. Works on PDFs too.

Users

+14 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

+1 in 30 days

Store rank

#94K

#78K among extensions

Version

1.1.3

updated 4 Sep 2026

Users

monthly, 6 months

Latest, 15 Oct 2026: 73 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 15 Oct 2026: 15 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About ContextLens - AI word & Text Explainer for any Webpage or PDF

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 Just highlight → click Explain → understand.