Sometimes, we need to crop a PDF on mac to remove those unwanted parts for various reasons. This task can be quite easy if you have worked on a Mac for long time, but if you are just new to Mac, it may some time for you to figure out some good ways to crop the PDF on your Mac.

Here for those in need, we offer 4 ways to crop a PDF on mac, all are free to use.

#1 How to Crop a PDF on Mac with Preview?

Speaking of dealing with PDF on mac, Preview should be the first and the best free tool to manage PDFs, so does cropping a PDF. Users are allowed to crop PDF on Mac with Preview. And here are 2 methods to do this.

Method 1

  1. Open PDF with Preview,
  2. Go to Tools> Rectangular Selection;crop-pdf-preview01
  3. Select the part you want to crop;crop pdf preview 02
  4. Go to Tools>Crop. Then the PDF will be cropped on mac.crop pdf preview03

Method 2

  1. 1.Open PDF with Preview;
  2. Go to the “Show markup toolbar” marked in red;crop pdf preview 04
  3. Then find the “Rectangular Selection” tool;crop pdf preview 05
  4. Select the part you want to crop and click “Crop” to finish the cropping.crop pdf preview 06

#2 How to Crop a PDF Permanently on Mac with Preview?

However, as you may have noticed that above 2 methods cannot crop a PDF permanently, when you open the cropped PDF in PhotoShop or other tools, you will be able to restore the complete PDF that is not cropped.

not deleted permanently

Then what to do if you want to crop a PDF permanently on Mac with Preview? Here are the steps:

  • Step 1. Open PDF with Preview;
  • Step 2. Go to File>Take Screenshot, the choose to take screenshot from Selection/Window/Entire Screen. Then you will find the cropped PDF saved in a screenshot PNG;crop pdf permanently
  • Step 3. Then open the screenshot with Preview, go to File>Export as PDF. Done.

#3 An Easy to Crop PDF on Mac

While, another easy way to crop PDF on mac is to directly take screenshot from the PDF. Just open the PDF with Preview, then press:

For macOS Mojave and later: Shift-Command-5

For all versions of macOS: Shift-Command-4.

After saving the cropped PDF in screenshot PNG image, you will need to open the image with Preview, go to File>Export as PDF, to make the cropped part save in PDF again.

#4 Online Free Tool to Crop PDF on Mac

Still, there are online free tools helping users to crop PDF on mac. Here we recommend Sejda, a professional platform offering free services to edit, crop, merge, split, protect, compress, convert and create PDF files easily.

  • Step 1. Go to
  • Step 2. Click Upload PDF files or directly PDF file to the program for uploading;crop pdf online01
  • Step 3. Choose to crop whole document or individual page of the PDF file;crop pdf online 02
  • Step 4. Drag your mouse to select the part you want to crop, then click “Crop”;crop pdf online 03
  • Step 5. Once the cropping finishes, download the file, you can save to your computer or other online storage accounts.


There are more solutions to crop a PDF on mac, and the best way to crop PDF files on mac is for sure to use the Mac Preview, it is free and easy, still effective.