Live Chat Overlay is a free Chrome add-on developed by Hin Wong that allows you to overlay the live chat on top of the YouTube livestream video. With this handy tool, you can enlarge the video stream while still keeping track of the audience's reactions through the chat.

One of the key features of Live Chat Overlay is its enhanced customization options. You now have the ability to adjust the font size according to your preference. You can choose to have the font size change along with the player height, or keep it constant. Additionally, you can configure the maximum number of message lines to be displayed over the player, with the default set at 15.

Moreover, Live Chat Overlay has undergone significant performance enhancements. The extension has undergone a major rewrite, resulting in improved startup time and runtime. This makes the overall experience more responsive and snappy, ensuring a smooth livestream experience.

Live Chat Overlay is a valuable tool for YouTube livestreamers who want to engage with their audience while still focusing on the video content. With its customizable features and improved performance, it enhances the livestream experience by bringing the live chat front and center.