Run youtube-dl without downloading videos

If you just want to download Youtube subtitles, you probably want to skip video downloads – this happens when you do “–skip-download”.

youtube-dl.exe --skip-download \
  https://www.youtube.com/watch?v=CwmtkFPYXsg \
  --write-sub --write-auto-sub -o ./'%(id)s' \
  --write-info-json --write-description \
  --write-annotations --sub-lang en