PiPifier is described as 'native macOS Safari extension that lets you use every HTML5 video in Picture in Picture mode' and is an app in the Web Browsers category. There are five alternatives to PiPifier for Mac, Google Chrome, Safari and Windows. The best alternative is Helium, which is both free and Open Source. Other great apps like PiPifier are PiP for Mac (Free, Open Source), PiPer (Free, Open Source), Picture In Picture (Paid) and Picture-in-Picture Extension (by Google) (Free, Open Source).
Clone any visibile window Crop the preview Auto and manual resize preserving the aspect ratio Multiple window preview from same process, cmd+n to open and cmd+w to close Pinch to zoom Click-through Opacity control
Picture in Picture (PiP) allows watching videos from the internet while working at a computer. Using unique algorithms, the program finds videos on web pages and allows to open them in a floating window, that remains in the front.
Picture-in-Picture (PiP) allows you to watch videos in a floating window (always on top of other windows) so you can keep an eye on what you’re watching while interacting with other sites, or applications.