NotebookLM Enhancer is a powerful browser extension that upgrades Google NotebookLM from a simple reading tool into a professional knowledge management system. 🌟 Key Features: Tree-View Folders: Organize flat document lists into structured folders. Advanced Floating Search: Features pinpoint documents. 100% Secure & Local: All operations happen strictly on your local machine. It never reads, collects, or uploads your private data. 👉 Available now on the Chrome Web Store!