Free Verification Service

Verify PKI Signed Documents

I received a signed document! How can I verify the signatures and document's data integrity?

Secured Signing Free Verification Service allows you to verify any signed PDF document with the trusted Digital Signature (PKI). You can validate that the document has not been altered since it was signed and verify the signatories' authenticity. The Secured Signing Free Verification service is available online or offline at your desktop.

For more details see below.

Click here to enable your Adobe PDF Reader to verify Digital Signatures and to install Secured Signing Root Certificate.

This program (Execute File) runs only in Windows OS.


Verify PKI Signed Documents online
with Secured Signing

Verify Document

* registered users can verify from their 'My Documents' inbox


Verify Signed Documents with
Your local computer

Step 1:

Download and install the Secured Signing Root Certificate.
How to install Root Certificates with:
Windows XP | Windows Vista | Windows 7

Step 2:

Enable Adobe Reader to Verify Digital Signatures.
How to set up Adobe Reader with:
Adobe Reader 7 | Adobe Reader 8 | Adobe Reader 9 | Adobe Reader 10 | Adobe Reader XI

Step 3:

Open the Signed Document in Adobe Reader.

* steps 1 & 2 are required only once per computer