# PDF Processing

> Three Windows Forms tutorials on PDF: document properties and passwords, PDF/A for archiving, fillable PDF forms and PDF files signed with a certificate.

- **Product:** TX Text Control .NET for Windows Forms
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for Windows Forms > Getting Started > PDF Processing
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/llms-full.txt

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## On This Page

- [What You Build](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/#what-you-build)
- [Before You Start](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/#before-you-start)
- [Related Documentation](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/#related-documentation)

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## In This Section

- [Create a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/create/llms.txt): Create PDF files from a Windows Forms TextControl: title and author in SaveSettings, a Save As dialog, PDF/A, user and master passwords and ServerTextControl.
- [Create a PDF Form](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/form/llms.txt): Build a fillable PDF form in Windows Forms: add TextFormField, SelectionFormField and CheckFormField to a TextControl, name them and save the form as PDF.
- [Digitally Sign a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/sign/llms.txt): Sign PDF files from Windows Forms with a .pfx certificate and DigitalSignature: invisible signatures, trusted timestamps and a signature field with an image.

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## Nearby

- **Previous:** [Add Repeating Merge Blocks](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/mail-merge/blocks/llms.txt)
- **Next:** [Create a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/getting-started/pdf/create/llms.txt)