Verify any signed document with complete confidence.
The verification tool confirms whether a PDF is the exact file that was originally signed through SignFortress. It provides a simple and secure way for you and your recipients to validate authenticity.
Key Features
Checks the document against its original tamper proof fingerprint
Confirms authenticity using the SignFortress ID
Validates the embedded signature ID and completion record
Allows recipients to verify without an account
Uploaded files are never stored and are discarded immediately after checking
Works with any signed PDF generated through SignFortress
Clear pass or fail result for full transparency
How to Use
Go to the Document Verification page
Enter the SignFortress ID printed on the certificate or inside the PDF
Upload the signed PDF you want to verify
Wait for the system to compare the document to the original record
View the result and confirm authenticity
Result meanings: Verified successfully means the uploaded PDF matches the original signed document Hash mismatch means the file is different, modified, or not the original
Troubleshooting Tips
Make sure you upload the exact PDF downloaded after signing
If verification fails, check that the file was not re saved or altered
Ensure the SignFortress ID is typed correctly
Try re downloading the signed PDF from your dashboard if available
Frequently Asked Questions
Is my document safe when I upload it for verification?
Yes. The file is processed securely and discarded immediately after checking. Nothing is stored or shared.
Can recipients verify a document without an account?
Yes. Anyone with the SignFortress ID and the PDF can verify authenticity without logging in.
What does a hash mismatch mean?
It means the uploaded PDF does not match the original signed version. Even small changes create a different fingerprint.
Can I verify documents from other platforms?
No. Verification only works for documents that were originally signed through SignFortress and include a valid SignFortress ID.
Why does verification require the SignFortress ID?
The ID links the document to its original record, allowing the system to confirm authenticity with precision.
What if I lost the SignFortress ID?
You can retrieve it from your dashboard if you are the sender. Recipients should check the certificate or the signed PDF.
Enter SignFortress ID
Provide the ID printed on the certificate or inside the signed PDF.
