0
votes
1answer
132 views

How to remove page marks in pdf file with iPad viewers?

I found some of the pdf files has some page marks(or three holes I don't know the official name for the marks) as is shown: Most of the iPad pdf viewers can't recognize this to show the marks, only ...
5
votes
1answer
2k views

Crop multiple pages in a pdf file

I can use Preview app to select a region and crop a page. Can I do the same cropping for a whole pages in pdf? Are there tools (commercial or free) available for it?