X.app is described as 'All-in-One Extension App' and is an app. There are five alternatives to X.app for Mac, Safari, Google Chrome, iPhone and iPad. The best X.app alternative is Yape, which is both free and Open Source. Other great apps like X.app are PiPifier, PiPer, Picture In Picture and YTPIP.
Yape does a very simple thing: finds all HTML5 videos on a webpage and allows you to play them in the Picture-in-Picture mode. Just click on an item from the list and this video will be switched to the Picture-in-Picture mode.
Yape is the most popular Mac alternative to X.app.
Yape is the most popular Open Source & free alternative to X.app.
PiPifier is a macOS and iOS Safari (action) extension that lets you use every HTML5 video in Picture in Picture mode
PiPifier is the most popular iPhone & iPad alternative to X.app.
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 is the most popular commercial alternative to X.app.
YTPIP is a web browser with an included Safari extension that lets you easily play videos in Picture-in-Picture mode and adds a Dark Mode to the YouTube website.
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