A new release of MacYTDL is available. It's version 1.14.1 - which has many new features and bug fixes since my last post.
MacYTDL is a GUI front end for youtube-dl. Requires an Apple Mac with macOS 10.10 or newer.
Available here:
https://github.com/section83/MacYTDL
Please post any feedback here or on GitHub.
Cheers.