LearnSphere

AI-Powered PDF Learning Assistant with Chat, Summary, and Quiz Generation ### Full description LearnSphere is an AI‑powered study assistant that lives in your browser. Highlight any text on the web (or in a PDF opened in Chrome) to: - Chat for deeper explanations - Generate clean, scannable summaries - Create interactive quizzes with answers and explanations - Track your learning with a dashboard, knowledge gap analysis, and revision plans All processing uses your own Google Gemini API key. Your data (quiz history, analytics, preferences) is stored locally in the browser. #### What you can do - Chat about selected text: ask “explain this,” “compare with…,” or “give examples.” - One‑click summaries: get headings, key points, and takeaways in Markdown‑style formatting. - Interactive quizzes: multiple‑choice questions with correct/incorrect feedback and explanations; save results. - Knowledge tab: weak pages and frequent weak terms computed from quiz history. - Dashboard: attempts, average score, last attempt, recent scores chart, top weak pages, and top chat topics. - Export: copy or export quiz results (CSV) from the options page. #### How it works - Right‑click selected text and choose: Chat, Generate Summary, or Create Quiz. - Or click the extension icon to open the LearnSphere sidebar. - Configure your Gemini API key once in the popup or options page. Get a key from [Google AI Studio](https://aistudio.google.com). #### Privacy & data - Bring‑your‑own‑key: your Google Gemini API key is stored in Chrome storage. - Data is local‑first: quiz results, topics, and analytics are saved in IndexedDB on your device. - Only the text you ask the AI about is sent to Gemini. No background scraping or selling of data. - Permissions explained: - activeTab: run on the page you’re viewing when you use the extension - storage: save settings and local data - contextMenus: right‑click actions - scripting: inject the sidebar UI on demand #### Highlights - Works on most websites and PDFs opened in Chrome - Clean, responsive sidebar UI - Helpful error messages, offline indicator, and retry logic - No sign‑in required; you control your API key and data #### Support Questions or feedback? Open the options page → Knowledge or Privacy & Data to review/export your data, or use the extension popup to check status and settings.