New answers tagged preview
PDF files are text files with some binary fields in them, so you should be able to just open the two files in a text editor (or use more / vi / grep ) to inspect each. A file comparison tool might also help you discern whether Preview is re-encoding the assets in a sub-optimal manner. Automator also has some PDF processing tools including compression, ...
The Mac OS does not optimize PDF files the way Acrobat or other PDF generating applications usually do. It may also be that when you drag the page to the desktop is is making a PDF that is really just a wrapper for an bitmap image. You could try using "Export As..." by right-clicking a thumbnail of a page and see if that results in smaller files. Another ...
This is the simplest way in my opinion. http://www.convert-jpg-to-pdf.net/
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