PDF to PDF/A-3 Combiner

This Windows Forms application allows you to combine a PDF file with an XML file and embed an ICC profile to create a PDF/A-3 compliant document. The application uses the iText7 library along with BouncyCastle for cryptographic operations.

Features

• Select a PDF file to be combined.
• Select an XML file to be embedded within the PDF.
• Select an ICC profile to ensure PDF/A-3 compliance.
• Combine the selected files and generate a PDF/A-3 compliant document with metadata.

Requirements

• .NET Framework
• Visual Studio
• iText7 Libraries
• BouncyCastle Libraries

Installation

1. Clone the repository:

   git clone https://github.com/ala-obeidat/PDF-to-PDF-A-3-Combiner.git

2. Open the solution in Visual Studio.

3. Install the required NuGet packages:

   • iText7
   • itext7.bouncy-castle-adapter
   • BouncyCastle.NetCore

   You can install these packages using the NuGet Package Manager or the Package Manager Console:

   Install-Package iText7
   Install-Package itext7.bouncy-castle-adapter
   Install-Package BouncyCastle.NetCore

Usage

1. Run the application:

   • Open the solution in Visual Studio.
   • Press F5 or click on Start to run the application.

2. Select the PDF file:

   • Click the Select PDF button.
   • Browse and select the PDF file you want to combine.

3. Select the XML file:

   • Click the Select XML button.
   • Browse and select the XML file you want to embed.

4. Select the ICC Profile:

   • Click the Select ICC button.
   • Browse and select the ICC profile file. You can download the sRGB IEC61966-2.1 ICC profile from Adobe ICC Profiles for Windows or Color.org.

5. Start the Combination Process:

   • Click the Start Combine button.
   • The application will generate a PDF/A-3 compliant document with the embedded XML file and selected ICC profile.

6. Check the Output:

   • The output PDF will be saved in the same directory as the selected PDF file with the suffix -a-3.pdf.

Example

After running the application and selecting the necessary files, the output message will confirm the successful creation of the combined PDF/A-3 file: