Shrink the size of a PDF file using Preview built into Mac OS X. If you use Mac OS X, your job is made easier by the presence of Preview. Preview allows you to shrink the file size with minimal reduction in quality by using an export filter. Open the PDF file in Preview. Select File and Export.
Note: The Apply To Multiple button is not available in PDF Portfolios. To control changes and quality trade-offs, use PDF Optimizer, which makes more options available. From Adobe.com.
Original article: Using CutePDF You can also create a compressed PDF with MS Office for Windows and CutePDF. By default, CutePDF creates significantly smaller file sizes than the other programs commonly used to create pdf files. CutePDF is a freeware you can. Here are the for using it. For creating a pdf on a Mac. (But your resulting pdf file will be much smaller if you use Cute PDF on a Windows computer!) From a scanned document: Some PDF documents (especially those created with a scanner) tend to have lots of black around the page edges. Too much of this will make the printers jam repeatedly, making it difficult for students to print out the necessary articles.
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In order to avoid this problem:. Take the document to a Windows computer in the Humanities Digital Workshop in Eads 007. Open the pdf with Adobe Acrobat 9 Pro.
From the Document menu, choose 'Crop Pages'. Use the Margin Controls boxes, circled in the picture below, to specify the length to be cropped from each edge. The arrow points to the rectangle indicating the cropped size of the document.
Under Page Range, at the bottom of the dialog box, choose All. (this is also circled in the picture). Click OK.
Scroll through the document to make sure that you have not cropped actual content off of any page. (If you need to make adjustments, just repeat steps 3 and 4, but make sure that the 'Page Range' is just the page you want to adjust.) Remember, you can always Undo if something goes wrong. You can now save the edited pdf and distribute it to be printed without the extra black.