How to restrict pdf file from copying

However, you may not need to do this because your objective is to prevent others from making changes or deleting data. This technique is similar to the previous method. However, the only difference is you have to use a third-party program here. Here, a file-locker software is all you need to prevent access to a dedicated file from everyone else. TunesBro Folder Unbreak is a file encryption and security program for Windows devices.

It allows youu to protect private files, folders and all the disks and drives data from copying or deletion. With Folder Unbreak, your files will be safe from data piracy or leaks by malicious activities of other users.

This military-grade security tool can password protect folders on both external USB and internal hard drives, followed by USB flash drive, thumb drive, memory card, and network drive. Just download Folder Unbreak and install it on a PC. Currently, it runs well on major release of Windows, including Windows 10, Windows 8.

When you open the program the first time, a master password should be set before proceeding to the main user interface. Set a strong password and save it on somewhere else. Now, click "Protecting File" tab on the left sidebar and click "Protect File s " button on the right side. When the files being imported the program, it starts adding protection to the files.

You will see the file status marked as Protected. Now, the protection is completed and you will get deny access error when you are trying to modify, copying or deleting the files. More importantly, you can unprotect the file at any time within the same interface. This is my code that i am using. I am using a javascript code to call the code below. Net: Download. Hi tanws8, Change the return type of your method to ActionResult. Octet, "test. Hi dharmendr, The code you provided downloads the PDF document directly.

Hi tanws8, You can secure the PDF by setting the password and have to share the password to paid user, so that they can open it. Non paid user can download the PDF but without the password they can't view the content.

For password you may apply any logic to share the password to paid user by email of sms. IO; using iTextSharp. Launch PDFelement on your computer. Click the "Open files" button on the Home window. Browse for the file that you want to open and click on the "Open" button to display the PDF file that you want to protect. Go to the "Protect" tab, and click the "Set Password" button.

Then select the "Permission Password" option. Enter your desired password and permissions. Once confirmed, click on the "Save" button to apply, and save your PDF file.

This will successfully protect your PDF files from being copied. If you want to protect your PDF from copying, you do not need to select the option of "Enable copying of text, images, and other content.