this effectively extracts media urls from the current page, puts them into a m3u file and let's you open it with any application https://addons.mozilla.org/en-U

this effectively extracts media urls from the current page, puts them into a m3u file and let's you open it with any application https://addons.mozilla.org/en-US/firefox/addon/play-with/ https://addons.mozilla.org/en-US/firefox/addon/play-with/ mpv itself uses ytdl (or others) for accessing streming sites and will buffer the whole vid if you crank up cache settings like: cache=yes demuxer-max-bytes=5G demuxer-max-back-bytes=5G prefetch-playlist=yes force-seekable=yes