How to Make PDF File Smaller Mac

Kyle Wood

Mac, Tutorials

Are you struggling with large PDF files taking up too much space on your Mac? Don’t worry, we’ve got you covered!

In this tutorial, we will show you how to make your PDF files smaller on a Mac. So let’s dive right in!

Using Preview

If you are an avid Mac user, chances are you already have the Preview app installed on your system. This built-in application not only allows you to view PDFs but also provides a handy feature to reduce their file size.

Step 1: Open the PDF in Preview

To get started, locate the PDF file you want to reduce in size and double-click on it. This action will automatically open the file in Preview.

  • TIP: If the PDF is not set to open with Preview by default, right-click on the file, select “Open With,” and choose “Preview” from the list of applications.

Step 2: Access the Export Menu

Once your PDF is open in Preview, click on the “File” menu at the top of your screen. From the drop-down menu, select “Export.”

Step 3: Adjust Compression Settings

In the Export dialog box that appears, you will see a section labeled “Quartz Filter” with a drop-down menu next to it. Click on this drop-down menu and select an appropriate compression option that suits your needs.

  • TIP: If you want more control over compression settings, choose “Create Custom Filter.” This option allows you to fine-tune various parameters such as image quality and resolution.

Step 4: Save the Compressed PDF

After choosing the desired compression option, click on the “Save” button. You will be prompted to choose a location and provide a name for the compressed PDF file. Select a suitable destination and click “Save” once again.

Using Third-Party Apps

If you prefer using third-party applications for PDF compression or need more advanced features, there are several options available as well. Here are a couple of popular choices:

1. Adobe Acrobat Pro

Adobe Acrobat Pro is a powerful tool that offers extensive functionality for managing PDF files. Apart from viewing and editing, it provides various optimization options to reduce file size.

  • Step 1: Launch Adobe Acrobat Pro and open your PDF file.
  • Step 2: Click on “File” in the menu bar, select “Save As Other,” and choose “Reduced Size PDF.”
  • Step 3: Adjust the settings as per your requirements and save the compressed file.

2. Smallpdf

If you prefer working with online tools, Smallpdf is an excellent option. It offers a simple and user-friendly interface to compress your PDF files quickly.

  • Step 1: Visit the Smallpdf website ( in your web browser.
  • Step 2: Drag and drop your PDF file onto the page, or click on “Choose File” to browse for it.
  • Step 3: Wait for the compression process to finish, then download your smaller PDF file.

With the help of these tools, you can easily reduce the file size of your PDFs on a Mac. Whether you choose to use the built-in Preview app or opt for a third-party solution, shrinking your PDFs will free up valuable space on your device and make it easier to share them online.

So go ahead and give these methods a try – you’ll be amazed at how much space you can save!

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