# PDF Processing

> Export PDF and PDF/A from a Windows Forms TextControl, load PDFs back into the editor and read their text, form values, attachments and metadata.

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

---

## On This Page

- [How TX Text Control Handles PDF](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/#how-tx-text-control-handles-pdf)
- [Find the Right Page](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/#find-the-right-page)
- [Where to Start](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/#where-to-start)
- [Related Sections](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/#related-sections)

---

## In This Section

- [Attachments](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/attachments/llms.txt): Embed files in PDF and PDF/A-3 from a Windows Forms TextControl with EmbeddedFile, manage them in the DocumentSettings sidebar, extract them with Attachments.
- [PDF Creation and Conversion](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/creation-conversion/llms.txt): Save TextControl documents as PDF in Windows Forms: SaveSettings, JavaScript actions, PDF/UA with DescriptiveText and validation, watermarks and page formats.
- [Font Embedding and Substitution](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/fonts/llms.txt): Control fonts in PDF from Windows Forms: FontSettings restrictions, AdaptFont replacement fonts, ServerTextControl settings and embeddable fonts for PDF/A.
- [PDF Forms](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/forms/llms.txt): Create fillable PDF forms from TextControl form fields in Windows Forms, read the returned values with GetAcroFormFields and flatten forms for archiving.
- [PDF Import and Its Limitations](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/import/llms.txt): Load PDF files into a Windows Forms TextControl with PDFImportSettings, convert PDF to DOCX with ServerTextControl and handle scans and encrypted files.
- [Document Metadata](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/metadata/llms.txt): Write title, author and keywords into PDFs from a Windows Forms TextControl, update an existing PDF, index PDFs with ServerTextControl and read raw metadata.
- [Passwords and Access Permissions](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/passwords/llms.txt): Encrypt PDF files from a Windows Forms TextControl with UserPassword, MasterPassword and DocumentAccessPermissions, open protected PDFs and apply permissions.
- [PDF/A](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/pdf-a/llms.txt): Save PDF/A-3a from a Windows Forms TextControl with AdobePDFA: EmbeddableFontsOnly, AdaptFont, the rules of the standard and batch archiving of DOCX files.
- [Text Extraction](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/text-extraction/llms.txt): Extract PDF text in Windows Forms: load it as text into the TextControl, list lines per page with Lines and ContentLine, search with regex and read page areas.

---

## Nearby

- **Previous:** [Merge Events](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/mail-merge/events/llms.txt)
- **Next:** [PDF Creation and Conversion](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/pdf/creation-conversion/llms.txt)