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How to Insert a Digital Signature into a PDF Document

This guide explains how to add a blank signature field to a PDF document using Adobe Acrobat Pro. A digital signature is more secure that an ink signature. PDF readers can check that the document was written and signed by the same person and has not been modified by an unknown person.

Video Guide

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Follow these steps for a more accessible, secure, digitally signed PDF.

Add a digital signature field

  1. Open your PDF document and head to the Tools Menu.
  2. Select “Prepare a Form.”
  3. From the left sidebar, choose “Add Form Components.”
  4. Click “E-signature Fields.”
  5. A box will appear. Place it where you want the signature.

Set document properties

  1. Right-click on the signature box and choose “Properties.”
  2. Add a tooltip for Assistive Technology. For example, “Signature for Shawn Jordison.”
  3. There are options to mark the document as “Read Only” and have the signature required.
  4. Close the Properties box.
Adding a tooltip to digital signature properties in a PDF

Sign the Document

  1. Complete the document fields and then click on the signature field.
  2. A prompt will ask for a “Digital ID”. You can choose to “Create a New Digital ID.”
  3. Save it to the “Windows Certificate Store.”
  4. Fill in your name and email details as specified on the form.
Creating a new digital ID in a PDF

Save and Lock your PDF

  1. You have an option to lock the document after signing.
  2. Finally, choose “Sign” and save the document.

Your PDF is now digitally signed and locked.

A digital signature in a PDF document

Bookmark this easy guide so you never forget how to add a digital signature field and set up a digital ID in a PDF. Your documents will be secure and accessible.

Remember, I can be your accessibility expert. For more detailed insights, tutorials, and in-depth discussions on accessibility and related topics, don’t forget to check out my YouTube channel: The Accessibility Guy on YouTube. Subscribe for regular updates!

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