The YouTube Live Chat Overlay is a browser extension that adds a customizable live chat overlay to YouTube videos in fullscreen mode. This allows you to view and interact with the live chat while watching the video in full-screen.
- Displays live chat messages in a floating overlay on top of the YouTube video
- Allows you to drag and resize the overlay to your preferred position and size
- Automatically shows the overlay when entering fullscreen mode on a YouTube video
Download the latest release of the extension from the Firefox Add-ons website.
- Navigate to a YouTube video or live stream.
- Enter fullscreen mode by clicking the fullscreen button or pressing the F11 key.
- The live chat overlay will automatically appear on the right side of the video.
- Drag and resize the overlay to your preferred position and size using the provided handles.
- To toggle the overlay, click the "Toggle Chat Overlay" button in the top-right corner of the video.
The extension's settings can be accessed by clicking the extension icon in your browser's toolbar and opening the popup window.
- Enable Chat Overlay: Toggle the live chat overlay on or off. When enabled, the overlay will appear in fullscreen mode.
- The extension only works on YouTube videos and live streams, not on other websites.
- The extension may not work with certain YouTube video players or layouts.
- The extension is not officially supported by YouTube and may stop working due to changes in the YouTube website.

