When it comes to adding a digital signature to a PDF document, macOS Preview provides an easy-to-use tool that allows users to do so with just a few clicks. In this guide, we will walk you through the steps of digitally signing a PDF on your Mac using Preview.

Step 1: Open the PDF Document

To begin, open the PDF document in macOS Preview. You can do this by double-clicking on the file or selecting it from the Finder and choosing 'Open with' > 'Preview'.

Step 2: Select the Signature Option

Once the PDF is open, select the 'Signature' option from the secondary menu. This option will allow you to add a digital signature to the document.

Step 3: Choose Your Digital ID

If you have already created a digital signature, you can choose it from the list of available signatures. If not, you will need to create one before proceeding.

Step 4: Customize Your Signature (Optional)

Before adding your digital signature to the document, you may want to customize its appearance by selecting a style, font, and color. You can also add additional information such as your name, organization, and email address.

Step 5: Add the Digital Signature

To add the digital signature to the document, click on the signature field and select the digital ID from the list. If prompted, you will need to log into Adobe or another login service to certify the document.

Step 6: Resize the Signature (Optional)

Once the signature is added, you can drag and resize it so that it fits appropriately in the document.

That's it! You have now successfully digitally signed your PDF document using macOS Preview.

Digitally sign pdf on mac