Learn how easy it is to convert a scan of your handwritten signature to an Acrobat stamp. A signature stamp makes it fast and easy to sign forms without printing them. From the Comment task pane, open Annotations. Select Custom Stamps from the Stamp Icon pulldown. Select Custom Stamps > Create Custom Stamps. Import a gif of your scanned signature. Now place the stamp whenever you need to sign. It will be accepted almost anywhere that you could use a real-world signature stamp.