Over the years, I have downloaded and paid for a number of shareware
utilities that typically perform one particular task. I?m wondering if
there is a universal audio/video suite out there that could take care
of most of my needs.

Typical requirements include:

Convert video formats
Join or split videos
Join or split audios

There are utilities out there that can do any of these tasks, but I
wonder if there is Swiss Army knife suite out there that takes care of
everything.

I like to have a minimalist desktop, and hopefully there is one icon
could take care of all of my AV editing needs.

Thank you.