Note: Chrome and Firefox dropped NPAPI support in 2017. You cannot use modern Chrome for XCamClient 2.
A lightweight, open-source tool.
Solution: Stop trying. Seriously. Google and Mozilla have hard-coded blocks against these legacy plugins. You must use Internet Explorer, IE Mode in Edge, or the standalone XCamClient 2 desktop application (if your camera supports that). xcamclient 2 plugin download
xcamclient 2 is a lightweight plugin designed to integrate webcam control and streaming features into compatible applications. Here’s a concise review covering setup, performance, features, and verdict. Note: Chrome and Firefox dropped NPAPI support in 2017