PDF Software - Certificate Authority Online For Free

First, open the print menu on the page that you want to save as a PDF. You may either right-click and select print, or open Firefox's menu on the right and select print there. You may also open the print menu with Ctrl-P on Windows, Cmd-P on OS X. usually choose printers and select ?Save to PDF? then ?save?.

Securing a PDF file using a certificate is a reliable way to limit the scope of persons who can access the document. The encrypted document will only be accessible by recipients whose certificates are explicitly included to the list of valid recipients for this PDF document.

Click on the Signature Properties button to check signature properties. In the signature Properties window click Show Signers Certificate button. Following screen will be displayed once you click on it. Initially you will get the summary of the Digital Signature in the certificate viewer window.

Open the Signatures panel, and select the signature. On the Options menu, click Show Signature Properties, and then click Show Signer's Certificate. If the certificate is self-signed, contact the originator of the certificate to confirm that the fingerprint values on the Details tab are correct.

How to add a digital signature to a PDF document with Adobe Acrobat Open your document in Adobe Acrobat. Click the Tools tab and scroll down to the Forms and Certificates section. ... Click on Digitally Sign from the new options bar. Select the digital signature you want to use and click Continue.

Adobe Approved Trust List (AATL) Choose Edit > Preferences (Windows) or Acrobat / Acrobat Reader > Preferences. From the Categories on the left, select Trust Manager. Select the option Load Trusted Root Certificates From An Adobe Server. ... Do one of the following:

Open the Preferences dialog box (Edit > Preferences). Under Categories, select Signatures. For Identities & Trusted Certificates, click More. Select Digital IDs on the left.