WebSocket Kong Client is a free Chrome add-on designed for developers needing to test and manage WebSocket messages. This tool offers a suite of features that enhance the testing process, including the ability to handle multiple WebSocket sessions simultaneously. Users can send, save, and edit JSON messages easily, making it a versatile option for real-time WebSocket development.

The interface includes a structured split-pane log to monitor activity effectively, allowing for a clear overview of all interactions. It also supports exporting and importing JSON messages, ensuring that users can backup or share their presets seamlessly. The inclusion of a Clear button helps maintain a tidy workspace, facilitating easier debugging and testing. Overall, WebSocket Kong Client stands out as a practical tool for developers looking to streamline their WebSocket testing processes.