Wireshark

Wireshark provides unprecedented visibility into network activity by capturing packets and displaying them in human-readable format. This free analyzer lets you examine conversations between devices, identify performance bottlenecks, and investigate security events with granular detail. The tool's rich feature set includes powerful display filters, color coding for quick analysis, and expert information to highlight potential issues. Whether you're diagnosing network problems, testing applications, or learning about protocols, Wireshark delivers the deep insight needed to understand and optimize network behavior.