Picture-Picture-in-Picture is a Chrome extension that allows you to open any image on the web in Picture-in-Picture (PIP) mode. With this extension, you can conveniently view images in a floating window while continuing to browse the web.

Using Picture-Picture-in-Picture is simple. Just right-click on the image you want to open in PIP and select the "Open image in Picture-in-Picture" button. The image will then be displayed in a small, resizable window that can be moved around your screen.

Please note that Picture-Picture-in-Picture is a deprecated extension and is no longer maintained by its developer, Victor Westerlund. However, if you are interested, you can still access the source code on GitHub.

Overall, Picture-Picture-in-Picture provides a convenient way to view images in PIP mode while using Chrome. However, since it is no longer actively maintained, it may not be compatible with the latest versions of Chrome or have all the latest features and bug fixes.