YouTube Stereo is a free Chrome add-on designed to improve audio alignment for users with multi-monitor setups. This extension addresses the common issue where the sound source does not match the visual position of the video, especially when the browser window is moved off-center. Users can easily toggle stereo audio on or off, allowing the audio to follow the video's position on their desktop, creating a more immersive experience.

In addition to the basic functionality, the extension offers advanced configurations for those who need them. Users can set a custom 'Centre' point to adjust audio direction according to their specific setup, and they can exclude certain displays from the audio adjustments. Please note that YouTube Stereo currently supports only YouTube videos on Windows and requires stereo speakers positioned correctly to achieve optimal results.