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Description
AI chat assistant overlay for any webpage Asterysk brings AI-powered chat to every webpage you visit. Ask questions, summarize articles, analyze content, and get instant answers — all without leaving the page. Supported AI Providers Choose your preferred AI provider and bring your own API key: • Google Gemini (Gemini 3 Pro, Gemini 3 Flash) • OpenAI (GPT-5, GPT-5 mini etc) • Anthropic Claude (Opus, Sonnet) Key Features • Chat overlay on any webpage — floating popup or sidebar mode • Page-aware conversations — Asterysk can read the current page to give contextual answers • Screenshot analysis — capture and discuss what you see on screen • Slash commands — /summarize, /clear and more • Per-site conversation history — pick up where you left off • Right-click context menu — send selected text directly to the chat • Dark and light theme support • Customizable system prompts • Keyboard shortcut (Cmd+Shift+L / Ctrl+Shift+L) to toggle Privacy First • Your API keys are stored locally in your browser — never sent to our servers • Conversations are saved to local browser storage only • No analytics, no tracking, no data collection • We have no servers — all AI requests go directly from your browser to the provider you choose How to Get Started Install the extension Click the Asterysk icon or press Cmd+Shift+L (Ctrl+Shift+L on Windows/Linux) Open Settings to add your API key for any supported provider Start chatting on any webpage