YouTubeUtils

Play videos at the highest quality, dynamically resize video player, 4x playback speed, extra hotkeys to loop video and autoplay, and more! Works on mobile, desktop, and embed videos.

YouTubeUtils is available to install from Firefox Browser Add-ons and for download from this page. It has 1,026 active users The latest version is 1.13.1, and it was published a month ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 1 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of YouTubeUtils here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
26 versions available for download.

Install XPI file

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  1. Download the YouTubeUtils ZIP file
  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the YouTubeUtils ZIP file from step 1. YouTubeUtils is now installed on your browser.