Learn how to add watermarks in your Trust Page and troubleshoot common PDF errors
Trust Page editors can use our watermark feature to apply a watermark to PDF documents in your Trust Page. The watermark will be added on download, and includes the downloader’s name, details, and timestamp. This article shows you how to enable the watermark setting, and some information on how to troubleshoot common issues with PDFs.
Enabling the watermark setting
Navigate to Trust Exchange > Trust Page > Settings > Configure Settings and toggle Watermark PDFs to the ON setting. The watermark will be applied to any PDF files currently published on your Trust Page, and any added in future.
This setting can be turned off at any time, disabling the watermarks for all PDF documents.
Previewing the watermark
To see how the watermark appears on your Trust Page documents, ensure the watermark setting is enabled and then navigate to Trust Exchange > Trust Page and download a PDF from the list in the Documents section.
Why has the watermark not been applied to all documents?
There are cases where the watermark cannot be applied to a PDF. Commonly, this includes problems like:
- Existing protections
- Corrupt files
- Parsing errors
The following instructions contain more information on these common error types and recommended steps to resolve the problem. In all cases, you have the choice to either leave the file as-is in your Trust Page (without the watermark) or replace it with a version that can be watermarked successfully.
Error type: PDF is password protected
If a PDF is protected with a password, our watermarking feature can’t even read or modify it. To resolve this issue, upload a version of the PDF without the password protection in place.
Error type: PDF has a signature which is protected by a certificate
PDF documents which have a certificate signature in place will invalidate the signature if the file is altered. This is not compatible with our watermark feature, as it leads to an error when opened by the downloader, warning the user that the document has been tampered with. 
Note the Signatures panel at the top of the document and see how it shows an error for the watermarked document.
To resolve this issue, disable the certificate before uploading a new version.
Error type: File is not in PDF format
While you can store a variety of file types in your Trust Page, the watermark feature is only available for PDF files. Files with an incorrect “.pdf” extension will show this error.
Error type: File too big
Watermarking is only available on PDFs that are 32MB or smaller.
Error type: Unknown parse error
This error means that we are unable to parse the document. Usually this means that there is a defect in the document itself. Most modern PDF readers are able to work around the defects and render the document regardless. To troubleshoot this defect, resolve any errors in the file itself, and try exporting a new version of the PDF.