Chat Room Popup Tool is a Chrome extension developed by martin_0605. This free tool allows users to add a chat room popup on Twitch and YouTube live videos, even in fullscreen mode.

With Chat Room Popup Tool, users can enhance their viewing experience by having the live chat displayed in a separate window while watching their favorite live streams. This makes it easier to keep up with the conversation and interact with other viewers without having to switch tabs or pause the video.

The extension supports both Twitch and YouTube live streams, including premieres on YouTube. This means that users can use Chat Room Popup Tool on a variety of platforms to stay connected with the community and engage in real-time discussions.

Overall, Chat Room Popup Tool is a handy add-on for Twitch and YouTube users who want to have a chat room popup alongside their live videos. It provides a convenient way to participate in chat without interrupting the viewing experience.