Sign PDF on Windows or Macintosh computers

Signing a fillable PDF is easy, no printer required.  

To sign a fillable PDF on both Windows and Mac, you can use the built-in tools in Adobe Acrobat or Preview, or utilize online PDF editors. Both platforms allow you to add text, checkmarks, and signatures to your PDF documents.

Using Adobe Acrobat (Windows & Mac):

1. Open the PDF: Launch Adobe Acrobat or Acrobat Reader and open the fillable PDF document.
2. Access Fill & Sign: Select the “Fill & Sign” tool, either from the right pane or by going to “All tools” and then “Fill & Sign”.
3. Add Signature: Click the “Sign” icon and choose to “Add Signature” or “Add Initials”.
4. Create Signature: You can type, draw, or upload an image of your signature.
5. Place Signature: Click in the desired location on the PDF and resize or move the signature as needed.
6. Save: Save the filled and signed PDF.

Using Preview (Mac):

1. Open the PDF: Launch Preview and open your PDF document.
2. Show Markup Toolbar: Click the “Show Markup Toolbar” button.
3. Access Sign Tool: Click the “Sign” button.
4. Create Signature: You can create a signature using your trackpad, camera, or an iPhone/iPad.
5. Place Signature: Select your signature and drag it to the desired location on the PDF.
6. Resize/Move: Adjust the size and position of the signature as needed.
7. Save: Save the filled and signed PDF.

Online PDF Editors:

1. Upload PDF: Go to a website like Adobe Acrobat online or similar and upload your PDF.
2. Fill & Sign: Use the online tools to fill out the form and add your signature.
3. Download: Download the completed PDF.

These methods allow you to easily fill out and sign PDF documents on your Windows or Mac computer.