Smart Websocket Client is a free Chrome extension developed by Luo Gang. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension is designed to assist users in testing their Websocket APIs.

The main functionality of Smart Websocket Client revolves around testing Web Socket services. Users can simply enter the URL for their Web Socket server and click on the Connect button to establish a connection. Once connected, they can input request text and send it to the server by clicking on the Send button. The extension then displays the response messages received from the server.

It is important to note that Smart Websocket Client is currently under active development. Users are encouraged to post any issues they encounter on the project's GitHub page. With its user-friendly interface and focus on testing Websocket APIs, Smart Websocket Client provides a convenient solution for developers and testers alike.