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How to Reduce PDF Size on Mac Without Efforts

Jane Zhou updated on May 25, 2021 to PDF Editor Tutorials

The majority of PDF files contain many graphics and photos, making the file size reasonably heavy. This tends to be a problem, especially when you want to send this file via email! Heavy PDFs frequently cause issues since they can surpass the size limit imposed by online email services. In this instance, lowering the size of a PDF file on a Mac without sacrificing quality becomes an almost impossible task.

Thankfully, you can reduce the file size of any PDF if you have a macOS after "High Sierra". Use one of the best free PDF compressor software that you have seen in this article to reduce and compress the size of any PDF document.

How to Reduce PDF Size on Mac with Preview

For Mac users, there is a default program that can assist you in compressing your PDF files, and that is Preview. With this program, you can reduce your file size in simple 4 steps. In addition, this software allows you to browse, markup, edit, and merge PDF files with ease, or display various file formats like TIFF, PNG, JPEG, GIF, BMP, and PDF.

Reduce PDF size on Mac with Preview

How to reduce PDF size:

Step 1. Open the PDF file. If you have Preview as your default PDF Viewer, it will open automatically. However, if you have another default PDF viewer, then right-click on the PDF file and select "Open With", then click on "Preview."

Step 2. After the file is opened, go to the top toolbar and click on "File" then "Export."

Step 3. A new pop-up window will appear on the PDF. Click on the drop-down menu next to "Quartz Filter". Select "Reduce File Size."

Step 4. Click on "Save."

How to Reduce the Size of PDF in macOS with Adobe Acrobat

Adobe is the original inventor of the PDF format, and ever since, it has also produced a popular and comprehensive tool that allows you to manage such documents effectively. When it comes to reducing the PDF size on a Mac computer, you can count on this software. Moreover, it allows you to read, modify, browse, and enter information into PDF files.

Reduce PDF size with Adobe Acrobat

How to reduce the size of your PDF file:

Step 1. Launch Adobe Acrobat.

Step 2. Open the "Optimize PDF Tool."

Step 3. Find your PDF file and click on "Open."

Step 4. In the top menu, click on "Reduce File Size," then select the proper compatibility settings and click on "OK."

How to Compress PDF on Mac with Foxit Reader

Another tool we'd like to talk about is Foxit Reader, which is a good alternative to Preview on Mac. By installing this program, you can do all sorts of editing features to your PDF files, including compressing PDF files. If you don't know how to deal with it, you can check the following steps:

Compress PDF on Mac

Step 1. Open Foxit Reader on your Mac.

Step 2. Click on "Files", then you will see a drop-down menu, click on the option "Reduce File Size."

Step 3. Then, you will be required to find the PDF that you want to compress. Once you open the file, click on "Audit Storage Space". This will show you the size of the PDF. Then, you have to choose how much do you want to reduce the file's size. 

Step 4. After you selected the desired file size, click on "OK" to finish the process.

How to Compress PDF into Small Size on Windows

If you sometimes need to reduce PDF size on Windows, you can rely on EaseUS PDF Editor - one of the best PDF compressor software. This program lets you compress your PDF with a few steps. 

Before compressing, you also can modify your files based on your needs, like adding text, inserting shapes, or adding and removing watermarks to your PDF files. Last but not least, you can password protect PDF files to protect them from unauthorized viewing and copying. Now click the below button to try this software.

Step 1. Click "Open Files..." to import your PDF document.

Import PDF files

Step 2. Choose the "Compress" tab in the top toolbar, then click "Reduce File Size..." in the drop-down menu.

Reduce PDF size

Step 3. Select the folder to save your compressed PDF file and click "OK".

Save compressed PDF

The Bottom Line

After reading this post, you will find that it is extremely easy to reduce PDF files' size on a Mac computer. Now choose any solution we mentioned above to compress your PDF document!