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How to / mac

How to sign a PDF on Mac

Signing a contract or an invoice is a breeze with PDF Expert, the go-to PDF app recommended by Apple.

4.7 • 145K ratings
How to sign a PDF on Mac

Not so long ago, when you received an email with a contract, you had to print it, sign with a pen, scan the signed document and send it back. Fortunately, now you can electronically sign PDFs to save time, paper, and ink.

If you're wondering how to sign a PDF on Mac, PDF Expert provides the best signing experience on the platform. Say, you want to annotate a contract or add a few notes before actually signing it, get PDF Expert and you'll be able to make all those changes from the box and negotiate better terms.


How to sign a PDF on Mac:

  1. Download PDF Expert for free.
  2. Open the document you want to sign (simple invoice template for example).
  3. Click Annotate on the top toolbar.
  4. Select the Signature tool.
  5. To add a new signature, click the plus button at the top right of the screen.
  6. You can type your name, sign off using a trackpad, or upload an image of your signature.
  7. Drag and drop a signature into your document. Move and resize it the way you wish.

You’ll love signing documents with PDF Expert, here’s why:

  • Save time – PDF Expert saves your signatures, so the next time you'll be able to sign a PDF with just three clicks! All you’ll need to do is right-click anywhere in the document and pick Signature > My signature.
  • Sign documents across devices – PDF Expert syncs your signatures across your Mac, iPhone, and iPad. You can create a beautiful signature with the Apple Pencil on your iPad and then you can use it to sign a PDF on Mac.
  • Fill out forms effortlessly – PDF Expert easily finds special signature fields in your PDFs. It saves your time by automatically adjusting each signature size to fit the field.

PDF Expert is a go-to PDF app for Mac, iPad, and iPhone that can help you with any task, from editing and annotating to merging and password-protecting PDFs.

Download PDF Expert right now!