Google Docs' drawing tool can be used to add a signature to your document, but it's more secure to use an add-on, like ...

You can use DocuSign to send and sign documents electronically, eliminating the need to print, sign, and scan physical copies ...

Firstly, you need your signature in digital form, preferably using a tablet PC with pen input. If you don’t have such a device to hand, sign on a white sheet of paper and take a photo of your ...