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.

Verify signatures Online

Verify PKI Signed Documents online
with Secured Signing

Verify Document

* registered users can verify from their 'My Documents' in 'Signed' tab

Verify signatures Offline

Verify Signed Documents with Your local computer

Step 1:
Document signed from 6 Jan, 2018
Download and install the Secured Signing Root Certificate.
Document signed up to 6 Jan, 2018
Download and install the Secured Signing Root Certificate.

How to install Root Certificates with:
Windows XP | Windows Vista | Windows 7 | Windows 10

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 | Adobe Reader DC
Step 3:

Open the Signed Document in Adobe Reader.

* steps 1 & 2 are required only once per computer