Various free and paid software tools allow you to compress your PDF files while retaining their high quality. Such software includes CocoDoc, Adobe Acrobat, PDF2GO, PDF Compressor, and Preview.

How to reduce the size of a PDF? One way to reduce PDF size is by using Adobe Acrobat Reader. Open the program, then open the PDF file that you'd like to make smaller. Select Document > Reduce File ...

Click "Reduce file size." The filter provided in ColorSync Utility reduces the scale of your PDF by 50% and restrict images to a maximum of 512 by 128 pixels. Click "Apply." Save your PDF.

Reduce a PDF’s File Size Using Preview Open Finder and find the PDF you want to resize. Double-click the file, and it should open in Preview. If you’ve changed the default program to open PDFs ...

This command instructs the Ghostscript GS utility to take the file "mydoc.pdf" and create a version 1.4-compatible, low-resolution PDF file called "mydoc_smaller.pdf" that is optimized to be ...

How to reduce PDF file size on a Mac computer with Preview 1. Open the PDF — if Preview isn't your default app, right click the PDF, then select Open with followed by Preview.