

You can start with what you can. What can provide the most value and iteratively improve from there.
Sometimes as a developer or even product manager, you don’t know what feature complete really means until people start using it.
Oh, by the way: https://imagemagick.org/script/formats.php
Once you implement Authentication/Authorization it’s fairly simple to add a new function.
I think here, the problem is not the complexity of the task, but the developer’s prioritization based on all the backlogged features.
Still, users can do this on their own. Directly on the folder, autorotating all pictures using wildcards.