Adobe Acrobat Plug-Ins


The Topaz® Adobe Acrobat GemSignPlus Plug-In for PCs and pDoc® Plug-In for Macs allows you to add, pre-place, sign, view, and validate signatures in PDFs using Acrobat.


The Acrobat Plug-Ins come bundled with the following options:


  • Cryptographically bound to document for security
  • Time and date stamping added to signature properties
  • Used with standard Adobe signature fields


For signing in the Adobe Document Cloud web application with Topaz signature pads, see the Topaz Adobe Document Cloud eSign Services Extension.


For information regarding the SHA1 algorithm,
view the
Topaz Plug-In FAQ Page.

When used on a PC, download and install SigPlus before the plug-in. This step is not required for Macs.



Acrobat Reader or Pro 9

Acrobat Reader or Pro X

Acrobat Reader or Pro XI

Acrobat Reader or Pro DC




Acrobat Reader or Pro XI

Acrobat Reader or Pro DC




Windows 7

Windows 8.1

Windows 10

Mac OSX 10.9 or later