Download Queue to define the number of concurrent downloads.
But this extension is only available for the Chrome browser.
OnlyFans has been around since 2016 and is known for being used by sex workers, although celebrities such as Cardi B and Bella Thorne have also used it to earn income at one time.
I have also downloaded videos a lot using it.
Directly from the OnlyFans site or by a popup window that opens up when you click on the extension icon.
The problem is that OnlyFans, which has more than 130 million fans, recently announced that it will ban pornography in October 2021.