We have the need to resize pictures without maintaining aspect ratio eg. changing a picture size from 10*10 to 5*8 or to 10*15.

I cannot find a way to do that now directy in the picture tasks in VisualCron.

I suggest that you add that feature with a check-box to the picture resize task to indicate if aspect ratio should be kept. See MS Paint in the menu: Resize and Skew.

Presently we call PowerShell with something like this:

magick [Path_to_file] -resize 5x8^^ -gravity center -crop 5x8+0+0 +repage [Path_to_file]