[Ultimate Guide] How to Sign a PDF on Mac with/without Preview?

Megan Charles
time November 21, 2022 Preview 21.1K
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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 electronic signature is essential for your business needs!

To bring up work efficiency, using a signature creator is essential. Try the following 3 ways to sign a PDF on Mac with or without using Preview.

Things You Should Know About Signatures

With the popularity of paperless offices, “digital signature” and “electronic signature” are often mentioned when important documents need to be signed. However, unlike what most people think, they are totally two concepts. For both companies and individuals, it’s vital to learn about them.

  • An electronic signature is data that is logically associated with other data and which is used by the signatory to sign the associated data. Such a signature signifies that one party agrees to the terms of the contract and has legal significance in some countries.
  • A digital signature is a type of electronic signatures that follows a specific standard. It can be thought of as an electronic fingerprint that is encrypted and identifies the integrity of the signer. It is more popular than electronic signatures due to its high degree of authenticity. 

If you are looking for a way to add electronic signature or digital signature, keep reading.

How to Sign a PDF on Mac with Preview

To digitally sign PDF files we have a couple of options. And if you are running Mac OS, you can take advantage of Preview’s Signature feature, which allows you to create an electronic signature using your FaceTime camera. You can sign PDF documents in OS with this option as well.

Sign a PDF on Mac with Preview Now:

  1. Open a PDF document in Preview, Navigate to Tools > Annotate > Signature > Manage Signatures.sign a pdf on mac
  2. Sign your name on a piece of white paper, and hold it up to the Mac camera. When the Signature looks good to you, Click "Done" to save the signature on mac as following.sign pdf in preview
  3. Click on the PDF where you would like to place the signature. Drag to scale it.sign pdf in preview02

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 on mac without Preview.

How to Sign a PDF on Mac Without Preview

If you’ve been waiting to sign a PDF on Mac but without using Preview application, now is your opportunity to do this even for free. We’ve gathered the most practical signature creators and we hope it can benefit most Mac users. 

Need to Digitally Sign a PDF on Mac? Check This Reliable Solution! 

The limited functions of Preview stop you adding digital signature to PDF. But you can absolutely use an affordable PDF editor to sign a PDF on Mac digitally, such a PDF editor will also provide abundant features to manage your PDF files as you want to.

Cisdem PDFMaster is the PDF tool that we’re going to use to digitally sign a PDF document by importing a digital ID. It saves you time, costs and speeds up the process of collaboration while ensuring a high degree of privacy of documents. Besides, adding electronic signatures by typing, drawing and uploading is a piece of cake for this creator. Plus powerful PDF editing and converting features, you can have all your PDF-related work done with your Mac.

Here you should download the Mac version and install it on your Mac. 

Free Download

How to Digitally Sign a PDF on Mac? Easy Steps:

  1. Run the program, import a PDF document that you need to add digital signature to the app.
  2. Go to Protect > Digital Signature. And drag your mouse to create a signature field in your PDF.sign pdf c1
  3. Then a window with “signature properties” will show in the interface. 
    Add your digital ID and more information into the fields, and click Sign to create a new digital signature.sign pdf c2
  4. You can even lock the document after signing.

A Glance of Cisdem PDF Master

  • View PDF within the program
  • Add texts, comments, notes, etc.
  • Underline, strikeout, draw, add shapes to PDF, and highlight a PDF
  • Digitally sign on the PDF
  • Split or merge PDFs
  • Secure and decrypt PDFs
  • Reduce PDF file size
  • Convert PDF to other editable formats
  • Create PDF from Word, PowerPoint, HTML, ePub, CHM, Image, etc.;

Find Free Method? Electronically Sign a PDF on Mac Online!

To electronically sign a PDF on Mac, we have a free online option too! DigiSigner is a professional online signature creator, which allows users to create electronic signature, send documents out for signing, create signing links, add signature blocks to PDF, and set up custom branding. If you need to increase your productivity, try the free templates provided by DigiSiner.

How to Electronically Sign a PDF Online for Free?

  1. Drop your file to the uploading interface or choose a file from your Mac device.sign pdf online1
  2. Click the place that you want to insert an electronic signature, and a window will show up.
  3. There are 3 modes you can choose to import your signature. You can type, draw or upload your signature from your computer.sign pdf online2
  4. Click Sign, then a signature will appear in the interface.sign pdf online3

Sign Your PDF on Mac Now

Till here, we have discussed 3 functional methods to sign a PDF on Mac. Signing a PDF is easier than it seems, isn’t it? To create an electronic signature, choose Preview or online DigiSigner. But if you have higher security requirement, use Cisdem PDFMaster to insert digital signature to your important documents. Hopefully, this share will be helpful for you in choosing the proper signature creator. Start signing your PDF on Mac efficiently now!

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Megan Charles
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Megan has an impressive deal of experience with Mac software and has the ability to explain tech stuff in a simplified, straightforward and easy to understand way.

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Comments (3) Leave a Reply

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  • Angelina

    Sign a pdf is definitely a tricky task for me, because it is impossible to complete without the help of professional software. I think this article has provided me with a lot of advice whether it's adding an electronic signature or a digital signature.

    0 months ago Reply

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  • Ronen

    Preview can do but feature limited.

    6 years ago Reply

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  • Freyman

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

    6 years ago Reply

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