# PDF Processing

> Save a WPF TextControl document as PDF or PDF/A, build a fillable PDF form with form fields and sign a PDF with an X.509 certificate, in three short tutorials.

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

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## On This Page

- [What You Build](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/#what-you-build)
- [Before You Start](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/#before-you-start)
- [The Same API as in Other Applications](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/#the-same-api-as-in-other-applications)
- [Related Documentation](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/#related-documentation)

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## In This Section

- [Create a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/create/llms.txt): Save a WPF TextControl document as PDF with SaveSettings: document properties, a Save As dialog, PDF/A from a ServerTextControl copy and passwords.
- [Create a PDF Form](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/form/llms.txt): Insert text, drop-down and check box form fields into a WPF TextControl in code or with the Form Fields ribbon tab, and save them as a fillable PDF form.
- [Digitally Sign a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/getting-started/pdf/sign/llms.txt): Sign a PDF from a WPF TextControl with an X.509 certificate: create a test .pfx, sign signature fields and understand timestamp limitations.

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## Nearby

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