On 2020-08-02 18:22, ray carter wrote:

I simply use 'ffmpeg' - one simple command line. And it's multithreaded
so maxes out all foyr cores on my desktop.


Handbrake (freeware too: Linux, Mac OS, and that crap from WA state),
does it with a simple drop list to select rotation (90° .. 270° in 90°
increments) under "Filters". Also multithreaded. Also has a plethora
of other options (ie: can select ffmpeg to do the huffing and puffing
(not the default)), CLI version too...