Help Center › Mac › Fill & Sign

Sign a PDF

Draw your handwritten signature, place it on any page and reuse it later.

iOS Android Mac Windows Web
Applies to macOS 14 Sonoma or later

Add your handwritten signature to a contract, form or any other PDF. Your signature is saved on the device so you can reuse it next time.

Open the signature pad

  1. Click the Fill & Sign group in the tool group bar, then select Signature.

Draw and place your signature

  1. In the Signature dialog, sign above the dashed line with your mouse or trackpad. Choose an Ink colour (number 2) and a Stroke weight (number 3).
    The signature drawing pad1234
    The signature drawing pad
  2. Click Redraw to start over. When ready, click Use Signature (number 4).
  3. The signature is placed on the current page. Drag it onto the signature line; drag a corner handle to resize, or the round button to rotate. The Properties panel (number 2) shows position, size and rotation.
    A placed signature with selection handles12
    A placed signature with selection handles

Press ⌘ Z (Mac) or Ctrl Z to undo.

Reuse a saved signature

  1. Saved signatures appear at the top of the Signature dialog. Click one to place it without redrawing.
  2. To remove a saved signature, hover over it and click the small ×.
A Kiwi PDF signature is a handwritten image signature. It is not a certificate-based digital signature.