This extension shows a 4K badge in the toolbar if a YouTube video you’re watching offers quality higher than 1080p. Click the toolbar button to open the video in another web browser.

This way, you can open any page (not just YouTube videos) in Google Chrome, Mozilla Firefox, Microsoft Edge, Opera, or another app. To skip a video ad that’s playing hold the fn key and click the toolbar button.

Safari

→

Other Browsers

How to Use 4Ktube

• Download and open 4Ktube app from the Mac App Store.
• Click “Show in Safari Settings” button.
• Enable “4Ktube” extension in Safari Extension Settings.
• Select which browser you’d like to open links in:
  Chrome, Firefox, Edge, Opera, or any other app that can handle it.

Now, when you watch YouTube videos in Safari, the extension will let you know if there’s 4K quality available. Look out for the 4K badge on the toolbar icon.

Click the toolbar icon to open the current page in another browser. Shift-click the toolbar button to also close the page in Safari when you open it elsewhere. This can be set as the default behavior in the app settings. Option-click the toolbar button to open 4Ktube Settings.