In fact, the main reason for compressing PDF files is to reduce the file size for storage, transmission and sharing. Generally, PDF files contain a large number of images, texts and other media elements, so their file sizes may be very large.

Then, if the PDF file is too large, what method can be used to compress it? Please don't worry. Here are three useful methods. Let's have a look.

1, professional method compression

First, you can run "SmallPDFer" software on the device and select the function of "PDF compression". Then, add the PDF file to be compressed, and click "Start Compression" after confirmation.

Method 1

2. Free method compression

First, you can choose a professional editor to open the PDF file that needs to be compressed. Then create a new PDF file, copy the contents needed in the original file, do relevant typesetting, and do relevant preservation to solve the problem.

Method 2

3, office function compression

First, create a new document on the desktop, open it directly, and find the featured options in the file menu at the top. Then, find the function of "PDF compression" in it. After adding the PDF file to be compressed, click "Start Compression".

Method 3