The DocHub editor allows you to quickly Compress PDF in Preview. It’s easy to grasp and requires no previous experience with similar editing solutions. Simply upload your file, and DocHub will take care of everything else, providing you with things like:
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Gary from MacMost.com demonstrates several methods to compress PDF files on Mac. It can be done in Preview by exporting with special compression settings, but Automator allows for quicker and customizable compression. A sample PDF file is opened, showing it to be 6.8 MB, larger than desired.