You have a secure PDF file, go to the “Download” tab, and click the “Save As” button. The process is the same. There's one more way to protect PDF file from copy-paste and browsing in browsers. How to Prevent PDFs From Copying How to Prevent PDFs From Copying? · Set the Protection Level” · Set the Minimum and Maximum size · Set the Password Click the “Protect” button and then browse your file in the “Downloads” section. Make sure to hide the PDF from download from a certain webpage. How to Protect PDF files from Copy-Paste on a Page. If you want to prevent others using a PDF file, you can set a password for it. How to Protect PDF files from Sharing? To prevent the file from being shared, you can use two-factor authentication. The basic process is as follows: 1. Download a PDF file 2. Download a second PDF file 3. Enter the password the first file 4. Enter the password of the second 2. Download a PDF file The same process, but using HTTPS instead of HTTP. How to prevent a PDF document from being exported 1. Open the PDF file 2. Enter the password for the security of the document 4. Click the Export Button 5. Click the Save button at the bottom of the screen How do I Disable Save As from a webpage? Open the page in your browser and choose the following “Save as” option. 1. Click the “Save As” button: 2.