LAN Chatroom + Screen Share is a Chrome extension that enables real-time local chat and screen sharing directly from the browser. Designed for peer-to-peer communication, it allows users to connect instantly using a unique room code without the need for servers or accounts, making it ideal for classrooms, gaming sessions, or team collaboration. The extension leverages WebRTC technology to facilitate direct connections between users on the same network, ensuring privacy and security throughout the communication process.

Key features include live LAN chat with encrypted messaging, user-approved screen sharing, and the ability to view another user's screen after obtaining consent. The extension operates entirely offline, meaning no data is uploaded to servers, and no personal information is collected. With a simple interface, users can quickly start chatting or sharing screens by entering a room code, making it a lightweight and fast solution for local communication.