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Select the PDF file you want to sign and click on the Open button.Click on the Tools tab at the top right of the screen and once inside select the Certificates tool that is identified with a green pen icon.Open the Adobe Acrobat Reader DC application that you just installed.Once the application has been downloaded and installed on the Mac and with the digital certificate in the macOS Keychain, everything is ready so that you can digitally sign any PDF document by following these steps:
#Pdf signature mac for free#
The next previous step to be able to sign PDF documents on Mac with digital signature is to download and install the software that allows you to do this. The most popular application for this purpose is Adobe Acrobat Reader DC, which you can download for free from its official website . On the web you will also see a Pro version of the software that offers more possibilities, although the free version is more than enough to sign documents . In order to do this, the first thing you will have to do is install the digital certificate on the computer. In the case of Mac, it is a very simple process, you will simply have to double click on the file that contains the certificate, enter your password if it is protected and finally enter the Mac administrator password to complete the install it in the macOS Keychain. Sign a PDF document on Mac with a digital certificate from the FNMT or similar This procedure serves both to sign documents with government certificates as well as to do it with certificates issued by private companies. The process is exactly the same and all you have to do is choose the correct certificate when including the signature in the PDF.
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Signing a PDF document with a digital signature on Mac is possible and is a fairly simple procedure, although unlike what happens to put a signature on a document with Preview , it is necessary to resort to third-party software to do it as you want.
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