Subject align in batch photos

[raeen]

Please see this video

https://www.youtube.com/watch?v=NQ8bEISDvJc&t=1s&pp=ygUPY3JvcCB0byBzdWJqZWN0&ab_channel=Pixnub

 Is it possible to use px instead of inch to keep padding around subject in px.

I want images in 800px(wide) by 1000px(tall) with 72 DDI. 

[Ciccillotto]

of course you can do it in pixels create the action and when choosing inches use pixels, rightly experiment to get the size you need