How To Reduce Pdf File Size Mac

Reduce the size of a PDF file on a Mac by compressing images, deleting unnecessary elements, and adjusting the resolution.

As we create and share more and more documents digitally, reducing file sizes has become an essential task. PDF files, in particular, can sometimes be large and take up valuable storage space on your Mac. Additionally, they can be challenging to send or upload due to size limitations. However, fret not! In this blog post, we will explore various methods and techniques to effectively reduce the size of PDF files on your Mac. Whether you need to compress documents for easy sharing or optimize storage space, we have got you covered. So, let’s dive in and learn how to effortlessly reduce PDF file sizes on your Mac.

How To Reduce Pdf File Size Mac: Step-by-Step


Step 1: Locate the PDF

Navigate to the specific PDF file you want to reduce in size by using the Finder tool to search and locate your saved files.

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Step 2: Open the PDF file with Preview

Preview is the go-to app for viewing images and PDFs on Mac. You can open files by either right-clicking and selecting “Open With” > “Preview,” or by double-clicking if Preview is your default PDF reader.

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Step 3: Open the Export dialog

Once your PDF is open in Preview, you can export it by going to the menu bar, clicking on “File” and then selecting “Export.”

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Step 4: Adjust the Quartz Filter

In the Export dialog box, select “Quartz Filter” and choose “Reduce File Size” from the dropdown menu to optimize the file size.

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Step 5: Save the new PDF

After selecting the destination for the reduced file, such as your desktop or a specific folder, provide a name for the file that distinguishes it from the original. Finally, click on the “Save” button to complete the process.

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Step 6: Verify the file size reduction

After saving the file, find it in your chosen location and right-click to check the reduced size. If needed, try online compression tools or remove unnecessary pages in the PDF.


In conclusion, reducing the size of PDF files on a Mac is a crucial task for anyone dealing with large documents regularly. By following the steps mentioned in this blog post, you can efficiently reduce PDF file sizes without compromising on the quality of the content. The options discussed, such as compressing using Preview, optimizing for web, and using third-party software like Adobe Acrobat, provide different methods to achieve the desired file size reduction. Experiment with these methods to determine which one works best for the specific requirements of your PDF files. With the ability to effectively reduce PDF file sizes, you can now easily share, store, and manage your documents without worrying about file limitations or storage constraints. So, go ahead and apply these techniques, and enjoy the benefits of smaller yet equally functional PDF files on your Mac!

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