Lumen Reading Assistant

Tracking since May 23, 2026.

Changelog

• Jun 5, 2026
  description

  Lumen is your AI-powered reading assistant. Instantly look up any word, summarize paragraphs, and save vocabulary — all without leaving the page.
  
  ✨ WHAT LUMEN DOES
  
  • Double-click any word → get a clean definition, pronunciation, and example sentences
  • Select any paragraph → get an instant AI summary
  • 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
  • Export your saved items as flashcards
  
  🆓 FREE PLAN
  • 10 word lookups per day
  • 3 paragraph summaries per day
  • Save up to 20 items
  
  ⚡ PRO PLAN (₹99/month)
  • Unlimited word lookups
  • Unlimited paragraph summaries
  • Unlimited saved items
  • PDF support
  • Flashcard export
  • Priority AI responses
  
  📖 PERFECT FOR
  • Students reading research papers and textbooks
  • Professionals reading technical documents
  • Language learners building vocabulary
  • Anyone who reads online and wants to understand more
  
  No setup required. Just install, create a free account, and start reading smarter.

  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)

Permissions & access

Permissions

storagecontextMenus

Host access

https://*.supabase.co/*, https://*.workers.dev/*, file://*/*, <all_urls>

Screenshots