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) :
Is Ytmp3.cc Safe to use? Check How To Remove It : r/computerviruses
7 Best YouTube to MP3 Converters in 2022 : r/4kdownloadapps
7 Best YouTube to MP3 Converters in 2022 : r/4kdownloadapps
Top YouTube to MP3 Converters 2023 - Easy Conversion | Medium
Download Reddit Videos and Share on Other Networks Using These Online Tools
How to Convert YouTube Playlist to MP3 at Once (Incl. Batch & Free)