Technology has advanced to the point that it is now possible to digitally sign a PDF document, here's the multiple ways on how to do it.

Don't have a printer and scanner? You still can easily sign a PDF file, no matter the operating system you're running.

If you want to sign a PDF, this post talks of free tools that let you add a signature to PDF. Type or draw a signature using them.

This how-to guide will show you how to create an electronic signature and use it to sign a PDF file in Windows, MacOS, Android or iOS.

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...