YouTube Dark Mode is a Chrome extension developed by swam consulting inc. This free tool falls under the Browsers category, specifically in Add-ons & Tools. The main purpose of this extension is to enable a dark mode for the YouTube platform, offering users a different visual experience while browsing and watching videos.

By installing YouTube Dark Mode, users can enjoy a sleek and dark-themed interface on YouTube, which can be easier on the eyes, especially during nighttime browsing sessions. This extension provides a simple yet effective way to customize the look of YouTube and enhance the viewing experience for those who prefer darker color schemes.