Onscreen — AI Page Context Explainer 作者： Sam

Onscreen is a fast, context-aware AI reading assistant powered by Google Gemini.

Key Features:
- In-Context AI Explanations: Reads surrounding page context to deliver accurate explanations tailored to what you are reading.
- Instant Keyboard Trigger (Alt + Shift + A): Highlight text and press Alt+Shift+A or right-click "Query with Onscreen" to explain instantly.
- Two-Tier Summaries: Get a 2-sentence quick summary first, with an expandable deep-dive breakdown whenever you want more detail.
- Privacy-First: Your free Gemini API key is stored securely in your local browser storage and is never sent to third-party servers.
- Light Glassmorphic Interface: Sleek UI with Space Grotesk & Outfit typography, live progress line, and draggable modal card.