ΔI8 Cobrowser is a Chrome extension designed to facilitate real-time collaborative browsing for small groups. This tool allows users to create or join shared browsing sessions, enabling participants to see each other's navigation and follow along if desired. It is particularly useful in personal, educational, and professional contexts, allowing for seamless exploration without the need for screen sharing or remote control. The extension prioritizes user control, providing opt-in participation and minimal data usage, ensuring users can browse independently while staying aligned with others.

Key features include shared browsing sessions, presence indicators for participants, and the ability to mark reference points during navigation. This design enables users to maintain context without interrupting their individual workflows. Whether for family activities, study groups, professional teamwork, or classroom instruction, ΔI8 Cobrowser supports a variety of use cases while adhering to a privacy-first approach, processing only the data necessary for its functionality.