How to download videos using a browser add-on or extension
Copyright and Fair Use
For more information about viewing and using YouTube videos in accordance with copyrights, make sure to check Google's Frequently Asked Questions about Copyright and Fair Use on YouTube.
Download videos using a Firefox add-on
To download videos (including YouTube) using Firefox, we recommend the add-on called Download YouTube Videos as MP4. The install the add-on, follow the install process below.
In Firefox, navigate to the add-on page at https://addons.mozilla.org/en-US/firefox/addon/download-youtube/, and click Add to Firefox.
When prompted by the browser to confirm installation, click Install.
The next time you go to a YouTube video page, you'll notice a Download button on your interface.
You'll be presented with a drop-down menu, where you can select which quality video to download and what size each type of file will be. After selecting the desired video quality option, the file will download like any other file and be available in your downloads folder.
Downloading videos using Chrome extensions
For Google Chrome, we recommend installing the Video Downloader professional extension. To download this extension, follow the install process below.
Visit the Video Downloader Professional extension on the Chrome web store.
Click the Add to Chrome button once open.
Click Add Extension.
After installing the extension, if a video is available to download, a green down arrow appears in the top-right corner of the window and allows you to download the video.