The simplest is to re-save your file as a reduced-size PDF. In the latest version of Adobe Acrobat, open the PDF you wish to re-save as a smaller file, choose File, Save as Other, and then Reduced Size PDF. You'll be prompted to select the version compatibility you need and then you can click OK to save.

How do I compress a large PDF file?

To compress the PDF file, locate the file in the folder and right click on it. Select "Send To | Compressed (zipped) Folder." While it may differ from one PDF document to other, Winzip can reduce the file size by as much as 20 percent.

Can you reduce PDF size without losing quality?

Open your PDF file in Preview. It should be the default option, but in case it isn't, Right Click on the PDF file, select Open with > Preview. Then, click File > Export, and in the Quartz Filter drop-down box, select Reduce File Size. The software will automatically reduce the size of the PDF file.