If you need to protect your pdf document from being opened or edited by others when you convert the document to plain text to pdf, you can use the free application VeryPDF Text to PDF Converter which is an application designed for those who need to make pdf document from text file and want to set several necessary parameters.
The application Text to PDF Converter can be downloaded via clicking here. You just need to double click the installer and follow the setup wizard to fulfill the installation. If you need to use this application usually, you are recommended to create a desktop icon of it.
After opening the application by double clicking its icon, you can see main interface which is a small and small one of the program. To encrypt pdf document after the conversion from text to pdf, you need to click Menu—Advanced Settings to open Advanced Settings window like the one shown in Figure 1.
Figure 1
Please check Encrypt group box to active all options in this box. Then you can set user password or owner password in User Password or Owner Password. The permissions like Print, Copy and Modify can also be checked so that your document cannot be freely edited by unauthorized users. Additionally, the password standard can be set as 40 or 128 bit. After that, please click OK button to close the current window and continue the work.
Then please drag and drop the text document that you want to convert to pdf file into the application Text to PDF Converter. You are allowed to set the output location, input output file name and run the conversion from text to pdf in the popup Save as window.
Text to PDF Converter is personal-free. But if you want to use it for your commercial purpose, you need to purchase a commercial license by visiting the homepage of the application. At the same time, you will get more useful information about it. If you have any questions to resolve about this product or the conversion from text to pdf, please bring them to VeryPDF support team.