How do I restrict the viewing, downloading, and other permissions of PDF files?

We receive many requests to restrict the downloading and printing of PDF files. Below are several ways to do this. Please contact our Support Team if you have further questions.

To restrict downloads

• Use cloud services like Microsoft 365 and Box.
• Use a commercial PDF software.
• Use PDF.js to prevent pseudo-downloads.

To restrict printing

• Modify your PDF security settings to block printing of the file.
• Use cloud services like Microsoft 365 and Box.
• Use a commercial PDF software.
• Use PDF.js to prevent pseudo-downloads and disable the print button.

To restrict PDF viewing permissions to "members only"

• Set up access restrictions under the file's additional items in Kuroco's content module.

To send PDF download links by e-mail only after a request

• Integrate GCS or S3 with Kuroco, and use the URL generation function with an expiration time in the mail template as follows: {storage_url path=$path var='url' expire="+1 hour" }