This ad on a YTMP3 converter makes it seem as if it's the button you are supposed to click to convert (sorry for bad quality. I'm working on a school project) :
How to convert YouTube to MP3
YTMP3 Video Downloader and YT MP3 Converter - Microsoft Apps
YTMP3: Top YouTube to MP3 Converter - The European Business Review
How to get rid of the ytmp3.cc popups on Google Chrome (cannot find in extensions) - Quora
YTMP3 Video Downloader and YT MP3 Converter - Microsoft Store-da rəsmi proqram
ytmp3.cc review and tutorial youtube to mp3 step 2 converting to mp3 - SaveTube.org
Any good YTMP3 Alternatives? : r/FL_Studio
The Best Video Converter Website by ytmp33 - Issuu
YTMP3: The Ultimate YouTube to MP3 Converter - The European Business Review
Is Ytmp3.cc Safe to use? Check How To Remove It : r/computerviruses