3 Free Ways to Compress PDF Size on Mac

Q: Question 2. How to remove watermark from PDF?

When you want to remove watermark from PDF , you can rely on the official PDF editing tool, Adobe Acrobat. Also, there are many third-party watermark remover tools can help you remove watermark from PDF document.

August 30, 2021Ashley Mae

PDF

Are you looking for a way, especially a free method to reduce the size of a PDF document without losing quality on your Mac?

PDF, Portable Document Format, makes it so easy for sharing text and graphics. It is one of the most ubiquitous file formats that can be supported across platforms. But compared with other documents, PDF file usually carries a much larger file size and is difficult to share conveniently. So, it's quite necessary to compress PDF and reduce PDF size on Mac.

To reduce the file size of PDF and make it easier to work with, this post like to introduce you with 3 free PDF compressors for Mac. You can pick your preferred tool to compress large PDF into smaller file size on Mac.

Part 1. Reduce PDF Size Mac Free
Part 2. Compress PDF in Preview on Mac
Part 3. Make a PDF File Smaller on Mac Online
Part 4. FAQs of How to Reduce PDF Size Mac

Part 1. How to Reduce PDF File Size on Mac Free

How to make a PDF file smaller on Mac? Here we strongly recommend the popular online PDF file compressing software, Free Online PDF Compressor for you. It is a 100% free PDF compressor to reduce the size of PDF documents on both Mac and Windows PC. This Mac PDF compressor requires no installation. You can directly go to its site and start compressing PDF.

Step 1.

Open Safari on your Mac and open this free online PDF compressor. Click on the Select PDF File button to browse and upload your PDF document. Here you are also allowed to drag and drop PDF file for the adding.

There is no PDF file size, PDF pages, compressing times or other limits. You can freely add any PDF document and reduce its file size.

Step 2.

This PDF compressor for Mac will automatically shrink the PDF size as soon as the uploading is finished. You can see clearly about the source file size, output file size, and compressing rate.

Step 3.

If you are satisfied with the PDF compressing result, just click on the Download the PDF button to save the compressed file on your Mac. You can also click the Compress Next PDF button to directly start compressing another PDF file.

More details of compressing PDF file size are here.

Part 2. How to Free Compress PDF in Preview on Mac

To compress a PDF on Mac, you can rely on the Preview app. It allows you to view your PDF document and export it in a smaller file size. One thing you should know first is that, compressing PDF in Preview may lose some quality.

Step 1.

First, you should open the PDF file using Preview on your Mac. Here you click the File menu on the top and then select the Open option to add your PDF document.

Step 2.

When your PDF file is opened in Preview, you should click on File menu again, and this time select the Export option from the drop-down list.

Step 3.

Make sure the output format is PDF, click Quartz Filter, and then select Reduce File Size. After that, you can click on the Save button to shrink PDF file size on Mac.

Part 3. How to Make a PDF File Smaller on Mac Online

This part like to introduce you with another popular online PDF compressor, Smallpdf. It is compatible with many commonly-used web browsers including Safari, Chrome, IE, Yahoo, Firefox, and more on both Mac and Windows PC. This PDF compressor allows you to resize PDF to 144 dpi for better uploading or sharing through web and email.

Step 1.

Open your web browser on Mac and go to Smallpdf Compress PDF page. You may see some ads on this site. But they won't affect the PDF compressing.

Step 2.

Click on Choose Files button to select and upload your PDF file. You can also add PDF file through Google Drive or Dropbox. The PDF file size limit is 5GB.

Step 3.

Now you can see the source file size of your PDF document, estimated file size, and 2 compression options. Select Basic Compression if you want to make PDF smaller on Mac free.

Step 4.

Click Compress button to start compressing PDF online. It will take some time to complete the process. After that, click on the Download button to save the compressed PDF file on your Mac.

Part 4. FAQs of How to Reduce PDF Size Mac

Question 1. How to compress PDF files on an Apple Mac with Adobe?

Adobe has a PDF editing tool called Acrobat that can help you compress PDF to a smaller file size. But this compressing feature is only available on paid version.
Open your PDF file in Adobe Acrobat, click File on the top menu bar, and then select Save As Other option from the drop-down list. Now you can see the Reduce File Size feature. Use it to resize the PDF document on Mac.

Question 2. How to remove watermark from PDF?

When you want to remove watermark from PDF, you can rely on the official PDF editing tool, Adobe Acrobat. Also, there are many third-party watermark remover tools can help you remove watermark from PDF document.

Question 3. How to add effects to a PDF in Preview on Mac?

Open your PDF file in Preview, click on File menu on the top, and then choose the Export option. Click on the Quartz Filter pop-up menu, and then select a suitable filter and apply it on your PDF.

Conclusion

In many cases, you have a high-resolution and multi-page PDF document on Mac and its file size is too large to share conveniently. So, you need to compress PDF and reduce the file size. This post shares 3 free methods to resize PDF file and make it smaller. You can use them to shrink PDF file size on Mac with ease.

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3 Free Ways to Compress PDF Size on Mac

Part 1. How to Reduce PDF File Size on Mac Free

Part 2. How to Free Compress PDF in Preview on Mac

Part 3. How to Make a PDF File Smaller on Mac Online

Part 4. FAQs of How to Reduce PDF Size Mac

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