Preview on Mac, or Adobe Acrobat Pro. You can also install a Smallpdf extension in Google’s Chrome browser, if you wish. Locate the PDF file you want to how to reduce the size of my pdf file smaller.
Click on and hold the PDF file. The file will upload and begin compressing.
It’s on the left side of the screen. Select the location where you’d like to save the file.
The smaller-sized PDF file will be saved to your computer in the location you specified. Open a PDF document in the Preview app. Do so by double-clicking on the blue Preview icon that looks like overlapping snapshots. Click on File in the menu bar and Open in the drop-down menu.