In this tutorial I will introduce to you 2 methods to reduce PDF file size. Online and offline. With online method, you just need upload file and go to google type smartpdf on search bar. Then upload PDF file and choose convert button. Just waiting convert and download. This method very simple.
With Offline method, I will introduce to you how to reduce PDF file size by use Adobe Acrobat software.
Open Adobe Acrobat software, then open the PDF file. Then go to File menu > save as other > Reduced PDF file size
See this video below to more detail:
Enix Tutorials 