Transform your online reading experience with LightUp—your all-in-one AI-powered tool for summarizing, annotating, and highlighting web content. LightUp lets you instantly unlock insights from any selected text on any webpage.

LightUp is a browser extension that keeps you in the zone, unlocks instant explanations, and expands your knowledge—simply by highlighting any text on the web. Summarize, explain, analyze, translate, and even ask follow-up questions for any text you select.