Create Signature Stamp in Adobe Acrobat

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Joe Winograd - EE Fellow & MVE
50+ years in computer industry. Everything from development to sales. CIO. Document imaging. EE MVE 2015, EE MVE 2016, EE FELLOW 2017.
In a previous article published here at Experts Exchange, Signature Image with Transparent Background, I explained how to create a graphic image of your scanned signature with a transparent background. As discussed in that article, having the transparent background is crucial so that the signature may be placed on a document without overlaying the surrounding text.

In that article, I mentioned putting the signature on PDF documents via the Stamp feature in Adobe Acrobat. I recently received a message from an EE member who thanked me for that article, but asked me to explain exactly how to create such a Stamp in Acrobat. This article shows how to do it.

I don't know how far back the Stamp feature goes in the history of Adobe Acrobat releases, but I do know that it exists in Acrobat X and Acrobat XI, both Standard and Professional. The screenshots in this article are from Acrobat XI Pro on a W7 Pro 64-bit system.

In Acrobat, open the PDF file that you want to sign with the transparent signature image which you created after reading my previous article. The right side of the Toolbar in Acrobat will look like this (may vary somewhat depending on your Acrobat version):

Click the Comment tab and you will see the Annotations section, including the Stamp tool:

Click the drop-down on the Stamp tool, then Custom Stamps, then Create Custom Stamp:


You will get this browse-for-file dialog:

Click the Browse button and navigate to your transparent signature image that you created after reading my previous article. Note that the file type drop-down defaults to PDF, so you'll need to change that to PNG:

After selecting your signature PNG file (in this demonstration, John Doe), the dialog box will look like this:

Click OK to bring up the Create Custom Stamp dialog:

You may create a new category, but it makes sense to put it in Sign Here, one of the categories already in the drop-down. Give the new stamp a name, such as MySignature, and un-tick the Down sample stamp... box, so that the size is not reduced, thereby retaining the quality of the image. Here's what the dialog will look like now:

Clicking the OK button will create the Stamp in the Sign Here category (or whatever new category you created).

To place the signature on the PDF, click the Stamp drop-down and select the signature stamp:

This will "attach" the stamp to the mouse pointer, allowing you to move the stamp around on the page to wherever you want to sign the document. When the stamp is at the place where you want it, simply — left-click! That's it! You may resize the signature with the standard sizing handles and move it around to fine-tune its placement. Here's what it looks like in my sample document:

If you find this article to be helpful, please click the thumbs-up icon below. This lets me know what is valuable for EE members and provides direction for future articles. Thanks very much! Regards, Joe

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