How to sign a PDF with an electronic certificate

If you need to sign a PDF document with your electronic certificate, for example, to submit a request to an official public body, or to electronically record your approval of a document, you should know that this is a very simple procedure.

In fact, you can do it simply and completely free of charge using a program like Adobe Acrobat Reader, one of the most popular free PDF viewers out there, and which you can download free of charge from its website (https://get.adobe.com/es/reader/).

In this article we are going to do a small step-by-step guide so that you know how to find the option to sign a PDF file with an electronic certificate, since it is a bit hidden and not easy to see with the naked eye.

Step by step to sign a PDF document with Adobe Acrobat Reader

The procedure is very simple and you can complete it in just a few seconds. Do the following:

-Once you have downloaded the free version of Adobe Acrobat Reader as explained above, install the program on your computer in the usual way.

-Now open your PDF document with Adobe Acrobat Reader and go to the “All tools” menu located on the side. The option to sign with a digital certificate is not visible at first glance, but at the bottom, click “See more” to expand the menu.

see more adobe acrobat reader

-The option “Use a certificate” will now appear, which you will have to click.

use adobe certificate

-Now click on the “Sign digitally” option that appears

digitally sign adobe

-Once this is done, a pop-up menu will open displaying the digital certificates you have installed on your computer. Select the one you want to use to sign the PDF document.

adobe pdf signature

You will have to indicate within the document the place where you want to stamp the signature. All you have to do is create a box with the cursor and the date and time of the digital signature made with your certificate will be recorded there.

Now, once the PDF document is signed, you can send or share it as needed, with official validity.

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