It's not perfect, being crowd-sourced it won't have brand-new videos in its database. It would be interesting to see if some ML/algorithm could buffer your video and detect the ad and skip it.
On a channel with 100k+ subscribers, the segments to be skipped appear almost instantly after the video is posted.
A bonus is that it skips repetitive content, not necessarily just ads.
I wonder if Firefox can make the premise of these things “block X or Y or Z” and bake it into Firefox directly and then you subscribe to lists of them
1. getting sucked into the recomendations blackhole 2. stop getting used to in-video adverts and sponsorships
It’s a crowd sourced database of timecodes for videos on YouTube that categorises segments so you can choose what to skip.
These clients also block pre-roll ad’s as well as in-stream ad’s.