Secure PDF files from C# with just 5 lines of codeIn five minutes or less, easily enable your applications to secure PDF files.
Multiple platformsSupports WinForms, WebForms, MVC, Web Services, WPF, and Console apps
No server licensing fee.
PDF security tool for .NET lets your applications encrypt content, password protect and control permissions of PDF documents. With some lines of code, you can allow whether the user can open, print, copy, edit content, assemble, fill forms, edit annotations, etc. on the PDF documents. It also let you choose the length of the encryption key (40, 128, or 256 bits) or remove the security settings by providing owner or user password.
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