external-app-launcher por David

This addon has a single function: to forward certain URLs to an external API, which should be in charge of launching an external program.
The default configuration will

Block .googlevideo.com/videoplayback (to prevent playback within the browser)
Forward https://www.youtube.com/watch?v (for remote playback)
There's an example http server packaged with the extension that launches mpv on the urls it receives, it can be extended to handle PDFs, etc.
Icon by Freepik from flaticon.com.