PDF on Mac: How To Electronically Sign (2024)

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 Preview → Markup → 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:

• Draw it with your mouse/trackpad
• Write down on paper → Scan the signature

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.

• 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!