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Cortex - AI Browser Assistant

A Chrome extension that brings AI-powered text analysis to any webpage. Select text, get instant summaries, explanations, translations, and writing fixes.

Technologies Used
Tailwind CSSWXTZustandTypeScriptReact
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.
Created: March 8, 2026
Last Updated: March 9, 2026

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