Online PDF Document Protection or Set Password via .NET

Online PDF Password Protection via App

1. Import PDF file to apply password by uploading it.
2. Do it by clicking inside the drop area via drag and drop of protection app.
3. Depending on the size of PDF file and internet speed wait for few seconds.
4. Enter the password to set
5. Click the ‘Protect’ button to protect document.
6. Download the protected files instantly.

PDF Password Protection via .NET

1. Load the PDF file via Document class
2. Call the Encrypt method
3. Provide password, previllages and protection type as parameters
4. Call the Save method to save the protected document

.NET utility to process PDF file for protect app

There are three alternative options to install “Aspose.PDF for .NET” or “Aspose.Total for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

• Install a NuGet Package . See Documentation
• Install the library using Package Manager Console within Visual Studio IDE

System Requirements

Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification:

• Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’
• .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’
• Mono >= 2.6.7
  
  As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.
  
  We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications.
  
  For more details please refer to Product Documentation .