# Load and Modify a PDF

> Import a PDF with ServerTextControl, read its text, metadata, attachments and form fields, add a watermark and save it as PDF again.

- **Product:** TX Text Control .NET Server
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET Server > Getting Started > PDF Processing > Load and Modify a PDF
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/llms-full.txt

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## On This Page

- [What Happens When You Load a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#what-happens-when-you-load-a-pdf)
- [Prerequisites](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#prerequisites)
- [Load a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#load-a-pdf)
- [Read the Text](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#read-the-text)
- [Read Metadata and Attachments](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#read-metadata-and-attachments)
- [Read Form Field Values](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#read-form-field-values)
- [Add a Watermark](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#add-a-watermark)
- [Save the Result as PDF](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#save-the-result-as-pdf)
- [Load Password-Protected PDFs](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#load-password-protected-pdfs)
- [View PDFs Without Changing Them](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#view-pdfs-without-changing-them)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/load-modify/#next-steps)

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## Nearby

- **Previous:** [Create a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/create/llms.txt)
- **Next:** [Digitally Sign a PDF](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/pdf/sign/llms.txt)