There is a new tool available for Sparkers: ClipGrab
What is ClipGrab?
ClipGrab is a free downloader and converter for YouTube, Vimeo, Facebook and many other online video sites. It converts downloaded videos to MPEG4, MP3 or other formats in just one easy step.
Installation (Debian “Bullseye” / Sparky “Po Tolo” only – 64 & 32 bit):
sudo apt update
sudo apt install clipgrab
or via APTus-> VideoTools.
The project page : clipgrab.org
The project founder is Philipp Schmieder
License: GNU General Public License 3