Picture-in-Picture Plus is a free Chrome extension developed by 绅士喵. This add-on falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory.

The main purpose of Picture-in-Picture Plus is to enhance the Picture-in-Picture mode for HTML5 videos. It allows users to force HTML5 videos to play in Picture-in-Picture mode, providing a more seamless and convenient viewing experience.

One notable feature of this extension is its support for iframe-loaded videos, making it more versatile compared to other similar extensions. Users can easily activate Picture-in-Picture mode for any HTML5 video they come across, regardless of whether it is embedded within an iframe or not.

Overall, Picture-in-Picture Plus is a valuable tool for Chrome users who frequently watch HTML5 videos and prefer to have them in Picture-in-Picture mode. With its support for iframe-loaded videos, it offers an enhanced and more inclusive experience.