And, of course, these add-ons are entirely free. Thankfully, we do not need to register on any site before downloading the online videos. Now that we have installed the required extension or add-on in the Firefox browser, the next thing will be downloading the videos from streaming sites.

You will be able to manage the extensions like enable or disable as well as removing from Firefox. The newly installed add-on will appear Add-ons Manager window under the Extensions tab. Click the Add button, and your extension will be installed.Click on + Add to Firefox button, and the Software Installation window will appear after the add-on has been downloaded.Click and open the add-ons details page.I recommend you take a look at the ratings of each add-on before you download it. Select the video downloader of your choice.This will open the search results in a new tab.Now within the Add-ons Manager search bar, look up video downloader in the Find more add-ons field.

You can also open using the Firefox keyboard shortcut: Ctrl + Shift + a in Windows or Linux and ⌘ + Shift + a on Mac. This will open the Firefox Add-ons Manager window. Choose the Add-ons option from the list.Click on More for menu options located on the right-hand side.Launch the Mozilla Firefox browser on your computer.Thankfully, there are lots of add-ons available on the Mozilla Firefox add-ons site. If you’ve ever heard about the Google Chrome extensions, it’s the same thing but in Firefox terminology. The add-on is a piece of software that helps in enhancing the capability of the Firefox browser.

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