Description from extension meta
ウェブ上のあらゆるページに天才的な注釈を。AIの力で説明、要約、分析、翻訳などを実現します。
Image from store
Description from store
Read Smarter, Learn Faster: Instant AI Summary, Analyze, Translate, and insights with LightUp
Summarize articles, research papers, and long‑form content into clear, concise overviews—grasp key points in seconds, retain more information, and stay focused on what matters.
Analyze and explain selected text with AI-driven insights, or define custom actions tailored to your workflow.
Translate paragraphs on the spot to instantly understand foreign‑language content, save time, and never lose context or momentum.
Chat in real time with LightUp’s interactive AI assistant to ask follow‑up questions, clarify concepts, and dive deeper into any topic or prompt new results on demand.
Control your experience with free daily usage or unlock unlimited access using your own API key, plus customizable keyboard shortcuts for lightning‑fast access.
Customize your view with dark mode, light mode, and three flexible layouts—floating popup, sidebar, or centered panel—to suit any workflow.
Protect your data with end‑to‑end privacy: all processing happens locally in your browser, no text or metadata ever leaves your device, and API keys are encrypted and stored securely.
Why Choose LightUp?
LightUp is the go-to extension for anyone seeking to summarize web content, translate languages, and annotate key information effortlessly. With its powerful AI capabilities and commitment to privacy, LightUp is ideal for students, professionals, researchers, and curious minds who want to enhance their online reading experience. Whether you need to understand dense academic material, quickly summarize news articles, or translate foreign language content, LightUp delivers efficient, actionable insights right at your fingertips.
Latest reviews
- (2025-05-25) George: Wow, it's one of the top extensions in my browser.
- (2025-05-04) john w: Clean, smart, effortless. This tool gets it right—no fluff, no friction, just functionality wrapped in great design
- (2025-05-04) Aaron: To be honest, this is one of the best tools I've ever used in terms of UX and UI. It functions exactly as I needed—thanks so much
- (2025-05-04) Dave lee: Love it! one of the best ux I've seen! Worth a try. one thing tho, i would love to be able to use open ai api keys, that would be great
- (2025-05-02) Apekiller: It adds a button on youtube pages which when clicked: - "explain" describes the page, not the video - "summarize" creates a one line summary. Conclusion: Utterly useless.
- (2025-03-21) John Maskarinec: Excellent!
- (2025-02-19) Casey Heater: Takes over the context menu. When highlighting text and right clicking, this app is the only result.
- (2025-01-24) לירן בלומנברג: LightUp transforms web browsing with AI-powered explanations, summaries, and analyses. Customizable, secure, and perfect for students, professionals, and curious minds!
- (2025-01-10) someone joe: starting using it yesterday, i like the idea of it
- (2025-01-10) Fajar Rahmad Jaya: It looks interesting!