CruxCards

Stop drowning in browser tabs. Start building a knowledge library that thinks.

Every day, you discover valuable information while browsing—insightful articles, expert opinions, data that could change your thinking. Yet most of it vanishes into forgotten tabs, lost bookmarks, or the void of "I'll remember this later."

Crux Cards transforms how you capture and recall knowledge.

What It Does

Crux Cards automatically extracts the essence of any webpage and turns it into structured, atomic knowledge cards. Each card captures a single insight in one of six semantic types:

Concepts: Definitions and mental models