How To Sign A PDF Document On Mac (Free)

Answer: Open the PDF with Preview on your Mac, click the Markup tool and choose Signature. Then, create and insert your signature.
How To Sign A PDF Document On Mac (Free)
Last updated on:
July 9, 2023
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Learn how to add your signature to a PDF on a Mac computer. In this guide, we'll teach you exactly that.

It's 100% free to create an electronic signature and add it to a PDF, especially for iMac and MacBook users.

You can either use Apple's Markup in the Preview app or an online signature tool to design your signature and add it to the PDF.

Let's check out how to do this!

How to sign a PDF document on Mac (free)

Two ways you can electronically sign a PDF document on Mac for free:

  1. Markup: Open your PDF in Preview → Click the Markup icon → Sign it;
  2. Online: Go to our PDF signer → Upload the PDF → Create & Add signature.

This was just the short way to answer your question.

We'll now go into detail on how to sign a PDF document using Apple Markup and SignHouse, or any other online signature software.

Method 1: Sign PDF with Markup on Mac

  1. Open your PDF document with Preview;
  2. Click the Markup icon (it's a pen in a circle);
  3. Select Signature on the drop-down;
  4. Create your signature, or insert if already existing.

You can create your eSignature in Preview in multiple different ways: draw it with your mouse or trackpad, draw your signature on paper and hold it to the device's camera, or use your iPhone to sign a PDF.

How to sign a PDF on Mac with Preview

All very accessible!

Apple thought that you may need to electronically sign documents. That's why they've added the option of signing a PDF so easily.

Pro Tip: You can also use Apple Preview to sign Word documents on Mac quicker than creating a signature in Microsoft Word.

That's how you sign a PDF with the Markup tool in Preview.

Method 2: Sign PDF online on Mac

  1. Go to our eSign tool on your Mac (see the box below);
  2. Upload the PDF you want to sign;
  3. Click the Signature button on the left;
  4. Create your electronic signature;
  5. Insert it in on the PDF document.

You can also invite other signers to your document.

Feel free to request signatures from others and send the document their way once you've signed it yourself.

How to add my signature to a PDF

So, once uploading the PDF document from your Mac, you simply need to create your online signature and add it to the file.

If you already have an online signature, you will need to just click it, then drag and drop it wherever you want it on the PDF. That's it!

Pro Tip: SignHouse allows you draw, type, or upload a signature. Our generator works smoothly on any mobile and desktop device.

That's all you need to know about how to electronically sign a PDF on Mac!


How to sign a PDF form on your Mac without printing it?

Use your Mac computer to open your PDF form in Preview to select the Markup icon (pen in a circle) and select Signature. Create yours and then add it to the form.

How can I edit a PDF on a Mac?

To quickly edit PDF documents using your Mac (for free):

  1. Go to SignHouse and upload the PDF;
  2. Start making changes to it;
  3. Apply changes & Downalod it.

There's really no optimal way to edit PDFs using Mac devices, but SignHouse is here to help you.

Why can't I type on a PDF on Mac?

PDF files are meant to have uneditable content - that is why you can't edit them on Mac. Though, if you want to, you can always our free PDF editor that lets you type anything on the file.

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About the author

Ch David is the co-founder of SignHouse. David is here to help the product development team expand the capabilities of ultimate eSignature maker for all your needs. Join David and the SignHouse team in stepping up electronic signatures!