This bookmarklet works for both LLN and LLY.
- Create bookmark on bookmarkbar with the name
copy-subtitle
. - Edit bookmark you've just created and replace
URL
with content of clip-subtitle.js. - On Yourtube with LLY enabled, click bookmarklet. Done.
- Now, you have subtitles in your clipboard. So you can paste it to DeepL
If you want to modify bookmarklet.
- Use
original.js
as template and modify as you like. - Compile it on Closure Compiler. See more detailed instruction at here(Japanese Site).