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5 Ways to Add Watermark to PDF on Mac

In order to make sure that everybody who has access to your PDF file knows where it came from, watermarking it is an essential step.

Individuals and businesses alike often put watermarks on PDF documents to make them more secure against unauthorized usage. Watermarking PDF files on a Mac is a simple process. Let's take a look at 5 ways to add a watermark to PDF on Mac.

Way 1. How to Add Watermark to PDF on Mac with Adobe Acrobat

The first method is to use Adobe Acrobat to add Watermark to your PDF on Mac. Here is how to add a watermark to PDF on Mac with Adobe:

Step 1. Go to the "Edit PDF" Tool

Add a watermark to your PDF by selecting "Tools > Edit PDF". Then select and open your PDF file.

watermark pdf mac adobe

Step 2. Choose the "Watermark" Option

On the top toolbar, click "Watermark > Add".

add watermark to pdf on mac adobe

Step 3. Customize Your Watermark

  • To re-use a watermark and watermark choices that you previously saved, pick it from the Saved Settings menu.
  • In order to create a new text watermark, select Text, input the text and then press Enter. Text formatting settings can be changed to suit your needs.
  • Use the File menu to add an image as a watermark. After that, click Browse and pick an image file from your system's hard drive. Make sure to include the page number if there are many images in the file.
add watermark to pdf mac adobe

Step 4. Add Watermark to PDF on Mac

Make necessary changes to the watermark's appearance and location.

Click "Apply to Multiple Files" if you want to apply the same adjustments to multiple PDFs. Select the files by clicking the "Add Files" button and selecting either "Add Files or Add Open Files". Once you've made your selections in the Output Options dialog box, click "OK".


Way 2. How to Add Watermark to PDF on Mac with Automator

You can add a watermark to PDF on Mac using Automator in the following ways:

  1. On a Mac, open Automator. In Spotlight, you may just type in the search term.
  2. Create a new document by clicking the "New Document" button on the bottom left. Click Choose after selecting "Quick Action".
  3. You can pick PDF files from a drop-down list in Automator's Workflow field at the top of the window.
  4. Select PDFs from the first sidebar. Select (double-click) "Watermark PDF Documents" from the second sidebar.
  5. To add a watermark, click the "Add" button in the top right corner and choose an image from your device's gallery.
  6. Adjusting the position, size, angle, and opacity of your watermark will be available. Simply input a number in the x or y box to change the position of the watermark.
  7. Pick "Files and Folders" from the first sidebar, and then select the option to move Finder items from the second sidebar.
  8. In order to save PDF files with a watermark on your Mac, you must now specify the location in Move Finder Items. A different location can be selected by clicking on the default location and choosing Other.
  9. Select "File" > "Save" to save the workflow.
automator watermark pdf

This is how you use Automator to add a watermark to PDF on Mac.


Way 3. How to Add Watermark to PDF on Mac with Preview

Mac Preview has no option to add the watermark to the PDF file. However, you can use the 'Text Box' tool under annotate as a watermark. Let's take a look at how to add a watermark to PDF Mac Preview.

  1. Use the Preview app to open a PDF.
  2. Show the markup tools for editing.
add watermark to pdf mac preview
  1. Add text as a watermark by selecting the Text tool, then selecting the A icon to change the color and font of the watermark text.
  2. Finally, save your PDFs by going to File>Save and finish applying a watermark.
add watermark to pdf mac in preview

Please note: this method is using the text box as the watermark. The downside of this method is that the watermark will be in the front layer of the PDF file. Other tools such as Adobe Acrobat will put the watermark in the back layer of the PDF file.


Way 4. How to Add Watermark to PDF on Mac with PDF Expert

Same as Preview, the PDF Expert does not have any watermark tool. You can use a 'Text Box' tool to add a watermark to your PDF. It is not a real watermark. Here is how to add a watermark PDF on Mac:

  1. To view a PDF file, open it with the PDF Expert app.
  2. Show the editing markup tools in the toolbar.
  3. Using the "Text" tool, pick the A icon to change the color and font of the watermark text, and then save your changes.
  4. To complete adding a watermark to your PDFs, go to "File > Save" and save them.
pdf expert add watermark

Way 5. The Best Free PDF Software You Can't-Miss

UPDF is a free-to-use open-source PDF editor that makes the editing of PDF files simple. It is not just a PDF editing tool, but it is like an all-in-one package for all your PDF needs. It is really simple to edit, annotate, convert, organize, and sign all your PDF files in one location.

add watermark to pdf on mac

You don't have to upload any documents to an online platform for editing purposes. UPDF is completely offline and ensures maximum protection of your PDF files.

Let's take a look at some of the most important and popular features of UPDF.

  • Edit text and images: UPDF allows you to edit your PDF files using professional PDF editing tools. You can add, remove, and add text to your documents. Moreover, it also allows you to edit the images present in your PDF file.
  • Annotate PDF files: It is very important to annotate PDF files. You may need to highlight some portions of the text to make it more visible to the readers. It also allows you to add sticky notes or comments on any words or text in your PDF document.
  • Organize documents: Organizing PDF files is as important as creating new ones. UPDF allows you to organize the different pages of your document. You can rotate, crop, add, and remove any page of your PDF document.
  • Sign PDF files: In this modern age, UPDF allows you to electronically sign your PDF files using its software. You can also share the signed document with others using the URL or email.
  • Add watermark: To protect the ownership and legal use of your PDF documents, UPDF allows you to add a watermark to your files. The feature is not available yet, but it will be released soon.

Now, let's take a look at how to add a watermark to PDF on Mac using UPDF:

Step 1. Click the 'Tools' icon, and select 'Watermark'.

First, you need to download and install the UPDF on your Mac. Now, launch the UPDF application.

Open your PDF file in the UPDF application. Once opened, click the 'tools' icon on the left side and then click on 'Watermark' at the top of your screen.

Step 2. Set Watermark Types

  • If you want to add a 'text' as a watermark, click on it. You can also change the content used as text. Moreover, it also allows you to adjust the transparency, scaling, and orientation of the watermark.
  • To add an image as a watermark, click on the 'image' option. You can also adjust the transparency, scaling, and orientation of the image used as a watermark.
  • The last option is to add PDF as a watermark. Click on the 'PDF' option and adjust the settings like transparency, orientation, scaling, and tiled view.

Step 3. Add Watermark to PDF on Mac

After adding the watermark, click the 'Save' button to save your file.

It was all about adding the watermark to your PDF files on Mac. We reviewed the 5 ways to add a watermark, and we suggest you use the UPDF app to add a watermark on your PDF documents.