You can download PiPifier 1.2.4 for Mac from our software library for free. The program lies within Audio & Video Tools, more precisely Players. Our antivirus scan shows that this Mac download is clean. The current installer available for download occupies 12.8 MB on disk. The actual developer of this free software for Mac is Arno Appenzeller.
From the developer:
PiPifier is a native macOS 10.12 Safari extension that lets you use every HTML5 video in Picture mode. If you have an HTML5 video playing on any website like YouTube, just press the PiPifier icon in Safari's toolbar to enable Picture-In-Picture for this video. Make sure you did interact with the video player once before pressing (like play/pause).
You may want to check out more Mac applications, such as ByteController, I Love Stars or DiskTracker, which might be related to PiPifier.