I wrote my own web app in Python, using pytube-fix and its lightning fast. Great library. I found a recent screenshot that's a bit behind in commits but you get the idea.
Happy to, I'll do it tonight. Just be aware this is only "good enough for myself doing some testing" level yet. I do plan on doing a lot more work. EDIT: here goes nothing: https://codeberg.org/ArtisanByteCrafter/pytube-gui