YouTube Shortcut Extension is a free Chrome add-on developed by Shunki. As the name suggests, this extension allows users to add custom shortcuts to YouTube, enhancing the user experience and making navigation more convenient.

With YouTube Shortcut Extension, users can skip to specific intervals in a video with just a few clicks. This feature is especially useful for those who frequently watch long videos and want to skip to specific sections without having to manually scrub through the timeline. The extension enables users to skip to intervals of 1 minute or 10 minutes, saving time and effort.

Overall, YouTube Shortcut Extension is a handy tool for YouTube users who want to enhance their video-watching experience. By adding custom shortcuts, users can easily navigate through videos and find the content they are looking for without any hassle.