AI reading assistant — instant word meanings in English & Hindi. Works on every website and PDF. No API key needed.
Users
10
+2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#193K
#161K among extensions
Version
6.1
updated 2 Jun 2026
Users
monthly, 5 months
Latest, 16 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 16 Oct 2026:1 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 Lumen Reading Assistant
Lumen is your AI-powered reading assistant. Instantly look up any word, summarize paragraphs, and read smarter — all without leaving the page.
✨ WHAT LUMEN DOES
• Select any word → get instant definition, pronunciation, Hindi & Marathi meaning
• Select any paragraph → get an AI summary in English & Hindi with key points
• Right-click selected text → "Explain with Lumen" from the context menu
• Works on regular web pages AND PDF files
• Save words and summaries to your personal library
🆓 FREE PLAN
• 25 word lookups per day
• 3 paragraph summaries per day
• PDF support included
• English, Hindi & Marathi meanings
• Resets every midnight — no credit card needed
⚡ RECHARGE PLANS (One-time, never expires)
• Starter — ₹49 → 2,000 credits
• Value — ₹99 → 5,000 credits ⭐ Most Popular
• Pro — ₹199 → 15,000 credits
• 1 word lookup = 1 credit · 1 summary = 5 credits
• Includes cloud saves & sync across devices
📖 PERFECT FOR
• Students reading research papers and textbooks
• Professionals reading technical documents
• Language learners building vocabulary in English, Hindi & Marathi
• Anyone who reads PDFs and wants instant word meanings
No setup required. Just install, create a free account, and start reading smarter.
Key changes I made:
Updated free plan: 25 words/day (was 10)
Added PDF is free (was listed as Pro only)
Removed monthly subscription → replaced with one-time credit packs
Added Hindi & Marathi as a feature
Updated prices: ₹49 / ₹99 / ₹199
Removed "save up to 20 items" from free (saves are paid only now)