> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/core/basic-operations/extraction/extraction.md).

# Server/Desktop PDF Content Extraction Library

Unlock the power of PDF text extraction with our efficient tools and utilities. Extract text and embedded fonts effortlessly with PDF2Text. Get started now! The Apryse Server SDK streamlines secure do

The Apryse SDK offers deep, programmatic access to PDF content—so you can extract exactly what you need, fast.

Key capabilities include:

* **Text Extraction:** Pull structured Unicode text with style, position, and layout details using `pdftron.PDF.TextExtractor`. Advanced options include ligature expansion, hidden/duplicated text handling, and more.
* **Signature Extraction:** Retrieve digital signatures, timestamps, and verification details.
* **Graphics-Level Access:** Extract and analyze graphical elements, including paths, color spaces, dash patterns, and transparency settings.
* **Low-Level Character Data:** Access exact positioning of text runs and individual characters for precise downstream processing.
* **Font and Glyph Access:** Extract embedded fonts and glyph outlines for advanced rendering or analysis.
* **Image Extraction:** Extract all embedded images, with support for all PDF compression filters—including optional RAW output and color normalization.
* **Layer (OCG) Extraction:** Programmatically access PDF layers and optional content groups.
* **Annotations and Forms:** Retrieve all form fields, annotations, and widget data directly from the document.
* **Tagged PDF Support:** Access marked content for tagged PDFs, enabling structure-aware extraction.
* **Embedded Objects:** Extract ICC profiles, U3D streams, attachments, and embedded files.
* **Metadata Access:** Read document metadata for title, author, keywords, and more.


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# Agent Instructions
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## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://docs.apryse.com/core/basic-operations/extraction/extraction.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
