These forums are now Read Only. If you have an Acrobat question, ask questions and get help from one of our experts.

Remove document info and double file size - why?

johnmacfall
Registered: Jun 17 2011
Posts: 1
Answered

Using Acrobat Pro X and Windows 7 Pro, when information is removed from a document prior to saving the size of the file doubles. Why is that?

John MacFall

My Product Information:
Acrobat Pro, Windows
thomp
Expert
Registered: Feb 15 2006
Posts: 4411
Accepted Answer
There are about a hundred different operations that can be used to "remove information" from a PDF. What exactly is it that you are doing? And what kind of PDF is this. Size, and size changes, depend on contents.

Just in general, when you "Save" a PDF, Acrobat does not overwrite any of the original file data. It appends the changes to the end of the file. In theory this is an audit trail for document modifications and a way to restore a previous version (although no such tools exist for performing this operation). PDF files always get larger, unless a "SaveAs" or "optimization" is performed. Those operations merges all the modifications to create a PDF Fresco, which is smaller.


Thom Parker
The source for PDF Scripting Info
www.pdfscripting.com
Very Important - How to Debug Your Script