OverPicture is a Safari App Extension that
allows you to play any web video in Picture-In-Picture mode.
You can enable Picture-in-Picture for any web video the following ways:
• Click the Picture-in-Picture toolbar button.
• In selected players like YouTube use the custom button.
• Press the P key while playing a video.
OverPicture is also available for the iPad, check it out on the iOS App Store!
Note: You have to open the app and enable the Safari App Extension in Safari Preferences pane.