YouPlayer is a Firefox Extension that adds YouTube video player to your Firefox web browser and lets you play your favorite YouTube video.

This is a must-have addon for all YouTube fans! YouPlayer is a YouTube video player with playlist similar to the one in Winamp. You may add/drag a YouTube link into a playlist window. When you double-click on it, it will be shown in the video window. You may drag a link to a browser window or right-click it and open in a new tab. You may also bookmark other links, but only YouTube links will be shown in the video window.

After install, YouPlayer will open in sidebar of your Firefox browser or you can click the ‘YouPlayer’ on the status bar to hide or show YouPlayer.

YouPlayer also work as a bookmarker where you can drag-and-drop YouTube links. The playlist window will only show YouTube links, others will be strikeout. To play the YouTube video, simply double-click on the list and it will be shown in the video window. Or you can drag-and-drop the link to a browser window or right-click it and open in a new tab.

You can download YouPlayer free from https://addons.mozilla.org/en-US/firefox/addon/5709.