i like filmot.com for doing something similar, it’s a search engine for youtube subtitles mainly but the builtin player shows the subs as a nice little column you can scroll through really fast and click the little button at the start of each line to jump in the video to that point
it’s kind of insane that you can search for like “vellum configure strut” then keep hitting “next clip” and it’ll jump through every single time someone has talked about vellum struts on all of youtube
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