Cortex - AI Browser Assistant

Cortex is an AI-powered Chrome extension built with WXT (Web Extension Tools) and React 19. It provides instant text analysis on any webpage through an elegant floating interface.

Key features:

• Text Selection Actions: Select any text on a webpage and a floating icon appears. Click it to open the Cortex modal with quick actions.
• Summarize: Get concise bullet-point summaries of selected text.
• Explain: Break down complex text into simple, beginner-friendly language with analogies.
• Translate: Translate selected text into 7 languages (English, Spanish, French, German, Italian, Portuguese, Russian).
• Fix Writing: Improve grammar, style, and clarity of selected text.
• Free-form Chat: Ask any custom question about the selected text for deeper understanding.
• Dark & Light Theme Support: Automatically adapts to your browsing context.
• Keyboard Shortcut: Cmd+Shift+K to quickly activate Cortex.

Built with modern technologies: React 19 for UI, Zustand for state management, Tailwind CSS v4 for styling, and OpenRouter API for AI model access. The extension uses a clean modal interface with markdown rendering for rich AI responses.