Cisdem Learning Resource Center

How to Digitally Sign a PDF on Mac without a Printer or Scanner (OS Sierra Included)

Got a contract or some other PDF document that you need to sign and return via email? Well, you could always print the PDF, sign it, then scan the PDF back into your computer and mail it back to the recipient —an effective, if cumbersome process. However, consider the cost of printing, faxing, scanning, searching - plus the time and opportunities lost whilst chasing paper - you will soon realize digitally sign PDF document are essential for your business needs!

To digitally sign PDF files we have a couple of options. And if you are running Mac OS X Lion or later, you can take advantage of Preview's Signature feature which allows you to create a digital signature using your FaceTime camera, and then digitally sign the document. You can sign PDF documents in OS Sierra with this option as well.

1. Open a PDF document in Preview, Navigate to Tools > Annotate > Signature > Create Signature from Built-in iSight…A window will pop up showing a feed from your computer's camera.

2. Sign your name on a piece of white paper, and hold it up to your iSight camera. When the Signature Preview looks good, Click the Accept button, and the signature will be added to Preview’s list of available signatures.

3. Click on the PDF where you would like to place the signature. Drag to scale it.

The above mentioned using Preview to digitally sign PDF files on Mac is useful. However, some people also complain that the signatures may not look well, or they just don’t want to use a camera to do this. In this case, we offer another method to digitally sign PDF documents in OS Sierra. See the details below.

Step 1. Download and install PDF signature Mac

PDFManagerUltimate is the PDF tool that we're going to use to electronically sign a PDF document by creating new signature with mouse or trackpad, plus several practical PDF editing and converting features you can have all you PDF related work done with only your Mac.

Here you should download the Mac version and install it on your Mac. It runs well in OS Sierra, Yosemite, Mavericks, Lion, and Mountain Lion.

Download the freetrial of Cisdem PDFManagerUltimate Now!

Step 2. Open a PDF document you need to sign

Double click on the icon to launch PDF signature Mac, Drag and drop the PDF file that you need to sign to the app.

After that, you just need to double click the PDF file to enter the editing pane.

Step 3. Add signature to PDF on Mac

Now navigate to the top toolbar and click the "Signature" tab to show the drawing pad. In that drawing pad, you first need to adjust the slider to have a proper level of broadness for the strokes. After that, you can sign in the grey area. When you are done signing, you can click “Done” to save this signature and then click “Select” to apply it. Here, you can also customize the font size, color etc.

Download the freetrial of Cisdem PDFManagerUltimate Now!

2016-09-21 17:27:41 / Posted byMegan Charles to PDF Follow @ Megan

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2 Responses

  • Ronen

    Preview can do but feature limited.

    3 months ago REPLY
  • Freyman

    I use annotation and signature on PDFs very often, this tool just helped so much. Thanks ,guys.

    5 months ago REPLY

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