Totally unclear when a file will "convert" and have a watermark on it, even if I choose "download" instead of "download and convert". I never want to download something if a watermark is gonna show up, and I'm never gonna pay for something that an open source project does better. Just don't let me convert something if I didn't pay for that feature!!! Companion application was annoying to install as well. If youtube-dl came out with a GUI version for MacOS I'd never use this extension again. On my windows partition it isn't installed.