For Mac: - ⌥ Option + ⇧ Shift + L to Add Video - ⌥ Option + L to Remove Video For Windows: - Alt + ⇧ Shift + L to Add Video - Alt + L to Remove Video For ChromeOS: - Alt + K to Add Video - Alt + L to Remove Video As the result the notification about successful list update should appear. Shortcuts can be changed in the extension's options at: chrome://extensions/shortcuts. Extension designed to work on the desktop version of the YouTube™. The following YouTube™ website updates might break the functionality of the extension, please be patient for an update. This extension is open source: https://github.com/WorldThirteen/youtube-watch-later-shortcut-ext. YouTube™ is a trademark of Google Inc. Use of this trademark is subject to Google Permissions.