PDF on Mac: How To Electronically Sign (2024)

Electronically sign any PDF document on Mac via the Preview/Markup app. You can also use SignHouse for free: Upload, Sign, Save.
Last updated on:
May 03, 2024
Want more insights like these for FREE?

In this guide, we’re teaching you how to add your signature to a PDF on a Mac computer (MacBook or iMac).

Both methods we’ll show are 100% free.

How to Electronically Sign a PDF on Mac

  1. Markup: Open your PDF in PreviewMarkup → Add signature.
  2. Online: Open SignHouse → Upload a PDF → Create & Add signature.

This was just the short way to answer your question — we’ll now go into detail on both methods.

Method 1: Markup

  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:

How to sign a PDF on Mac with Preview

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

Alternatively: You can also just use your iPhone to sign a PDF.

Method 2: SignHouse

  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 signature;
  5. Insert it in on the PDF.

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

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


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.

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.

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.

Want more of this, for free?

Hey! 👋 Over here, at SignHouse, we're producing more of what you just read.
Get our very quick email updates that we send to 1,000s of people. 100%-off invitations to access paid products for $0, value-packed emails + more

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!