If not yet available, please add automatic (page by page) deskew to be applied to all images of a folder.
Useful to correct small angles generated by (duplex) scanners with document feeder.
You can use the Batch mode.
File | Batch process
“List of files” tab
Add files or folders
“Actions” tab
Add | Deskewing
or
Add | Deskewing Fine
Save to folder = …
Save as type = …
Start