Nitro PDF Professional: Create and change PDFs with the original Acrobat alternative.
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Add & edit signature form fields



The signatures field lets you add an empty digital signatures field to a document. When a signer clicks on the field a dialog opens prompting them to certify and/or digitally sign the file with their digital ID.

To create a blank signature field:

  1. On the Forms ribbon, in the Fields group, click Digital Signature .
  2. One a page, click and drag to place the signature where you would like it to appear.
  3. Double-click on the field and do one of the following (depending on your preferences):
    • In the Properties context tab, name the field and set its properties, appearance and actions.
    • In the Properties dialog, name the field and set its properties, appearance and actions.

To edit a digital signature form field:

  1. Open the PDF in Nitro PDF Professional.
  2. On the Form ribbon tab, in the Fields group, do either of the following:
    • Click the field type that corresponds to the field you want to edit.
    • Click Edit All Fields.
  3. Double-click the field to begin editing its attributes.