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3 Surprisingly Simple Ways to Make a PDF Smaller on Mac

Conveniences come at a cost and PDF documents are no different. Some of the features we use can lead to large file sizes. Just think about how much space you can save on your computer if you reduce the file size of your PDFs on mac. This will also help your clients to open the PDF files that you send via email or share on your website easily. But, how to make a PDF smaller on Mac?

When it comes to making a PDF smaller on Mac, Adobe Acrobat is often the best way to go as it can do all sorts of magic on PDF files. But there are 3 surprisingly simple solutions to make a PDF smaller on mac available, with no or affordable price. Please read on to find your way of making a PDF smaller on mac.

Make A PDF Smaller with Mac Preview

To make a PDF smaller on Mac, Preview should be the first solution to reduce PDF file size for mac users. As the built-in app of Apple, Preview is undoubtedly the most convenient way to make a PDF smaller on Mac, though it does not support making batch PDFs smaller at one time.

  1. Run Preview on your Mac.
  2. Then open your PDF file that you want to make it in smaller size with Preview. Go to “File” menu and then choose “Open”. Select the PDF files you want to compress, and then click “Open” option.make a pdf smaller in size on mac
  3. Next, go to “File” menu again, choose “Export …” option, and in the “Quartz Filter”, choose the “Reduce File Size” option.make a pdf smaller in size on mac with preview 02
  4. Give a name for your PDF file, click the “Save” option. And you will get a PDF in smaller size on mac.


  • Preview can’t choose compression modes
  • Preview doesn't support making batch PDFs smaller in size on mac
  • File quality is lost when making a PDF smaller with Preview

Make A PDF Smaller on Mac with Professional PDF Compressor

Cisdem PDF Compressor is a powerful PDF compressor to make single or multiple PDFs smaller on mac, it provides 4 compression modes to make a PDF smaller in size but with a preferred dpi. In addition, you can customize the compression setting to get a reduced PDF file, while keeping their original quality formats. With PDF Compressor Mac, you can save huge space and share PDF files with your friends much faster. It is the most efficient tool to shrink PDF file without losing quality on mac.

Main Features of Cisdem PDF Compressor

  • 4 compression modes
  • Tweak image quality setting to make PDF smaller
  • Batch compress
  • Compress fast
  • Highly retain PDF quality

Download the free trial of Cisdem PDF Compressor Now!

Step 1. Add the PDF files that you want to make them smaller to the program

Launch Cisdem PDF Compressor Mac. And then drag and drop PDF files to the application.

add files to cisdem pdf compressor 01

Step 2. Choose from 4 PDF compression modes to make PDF smaller in size on mac

Cisdem PDF Compressor Mac provides you with various different ways of compressing documents - Minimal File Size, Small File Size, Medium File Size, Large File Size. You can make an appropriate choice based on your needs. Of course, you can manually fill the parameters for a preferred PDF compression.

choose compress mode with cisdem pdf compressor

Note: Remember that it is always a tradeoff between compression/file size and quality and there really is no magic solution for all documents, other than trying different settings and seeing which give the balance that you like best.

Step 3. Start making a PDF smaller on mac

Once you have completed all the necessary settings and preparation work, please click on the “Compress” to start process to make the pdf smaller in size.

make pdf smaller with cisdem pdf compressor

Free Trick to Make A PDF Smaller on Mac

Have you ever noticed that MacOS has already offered a simple shortcut to make a PDF smaller on mac? Just right click on the file, you will be surprised.

  1. Right click on the file that you want to make smaller on mac.
  2. Choose “Compress”from the drop-down to make a pdf smaller on mac with basic trick
  3. You will find the compressed Zip file under same directory as the original to make a pdf smaller on mac basic trick result

Besides PDF files, you can also utilize this trick to compress any files on your mac, including but not limited to Word, Excel, JPEG, PPT.


  • Cannot make PDF smaller in batch
  • Compressed PDF saved in ZIP archive, not easy to open
  • May not compress PDF significantly

2017-06-27 21:18:57 / Posted by to PDF Compressor Mac Follow @ Megan

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1 Responses

  • Josh New

    Honestly, when choosing a tool to reduce PDF size, preferably free! But, in light of my experience with online services, paid ones prove themselves better.

    2 years ago REPLY

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