LightUp - AI Powered Web Annotations

Genius annotations for every page on the web. Powered by AI to explain, summarize, and analyze any text you select.

Transform your online reading experience with LightUp—your all-in-one AI-powered tool for summarizing, annotating, and highlighting web content. Whether you’re a student, professional, researcher, or simply curious, LightUp lets you instantly unlock insights from any selected text on any webpage. INTELLIGENT CONTENT ANALYSIS Instant Explanations: Demystify complex topics with a simple text selection. Concise Summaries: Quickly absorb key points and insights. In-Depth Analysis: Dive deep to uncover hidden details in any content. Seamless Translation: Break language barriers with real-time translations. Follow-Up Questions: Engage with follow-up questions to clarify and deepen your analysis. POWERFUL AI MODELS AT YOUR FINGERTIPS Grok Series: Grok 2 Grok 2 Latest Grok Beta Gemini Series: gemini-1.5-pro gemini-1.5-flash gemini-1.5-flash-8b gemini-2.0-flash gemini-2.0-flash-lite-preview-02-05 gemini-2.0-flash-thinking-exp-01-21 Large Models: llama-2-70b-chat deepsek-v3 mixtral-8x7b-instruct Medium Models: llama-2-13b-chat mistral-7b-instruct neural-chat-7b-v3-1 deepseek-v3-base Smaller Models: llama-3.2-3b-instruct phi-2 openchat-3.5 YOUR PRIVACY, OUR PRIORITY Secure & Private: Process sensitive information locally—no data collection, tracking, or external API dependencies. Robust Security: Enjoy secure API key storage and HTTPS-only communication for total peace of mind. CUSTOMIZED EXPERIENCE & POWER USER FEATURES Tailored Visuals: Toggle between dark/light modes, adjust font sizes, and select your ideal highlight colors. Smooth Interactions: Experience configurable popup animations that enhance your workflow. Speed & Efficiency: Benefit from customizable keyboard shortcuts for rapid access. Context-Aware Insights: (Beta – coming soon) Unlock follow-up analysis and persistent highlights to refine your understanding further.