Prevent copying or printing of downloaded pdf files

Question

1. Is there any way to prevent copying or printing of a pdf file once it has been downloaded from one computer to another?

2. Can passwords still be required for a pdf recipient to copy or print a pdf file once it has been downloaded from one computer to another?

My book publisher is considering giving me rights to sell pdf versions of my books. However, I want to prevent purchasers from making multiple copies of my books. I'm looking at possible ways to prevent purchasers from making multiple copies of a book they've downloaded as a pdf file. Any thoughts?

MikelKlink · Answer

1. Is there any way to prevent copying or printing of a pdf file once it has been downloaded from one computer to another?

File copying is something that happens at a level that doesn't need to know anything about the file format. File copying simply copies the bytes the file consists of to the target medium. Thus, you cannot prevent this.

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