> ## Documentation Index
> Fetch the complete documentation index at: https://docs.eraneos.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Document Processing

> Upload, analyze, and gain insights from business documents

## Supported Document Types

* PDF, DOCX, TXT
* XLSX, CSV
* PPTX, PPT
* JPG, PNG (text extraction)

## Main Features

### Document Upload & Management

<img src="https://mintcdn.com/eraneos/o-0m6tTiq6k3ApZs/images/document_upload.png?fit=max&auto=format&n=o-0m6tTiq6k3ApZs&q=85&s=c4593f7c1bafaac2b634cef81c50aff2" alt="Document Upload Interface" width="800" data-path="images/document_upload.png" />

* Upload documents via drag-and-drop or file browser
* Individual analysis or assignment to knowledge bases

### Document Analysis & Q\&A

* Automatic text extraction and content understanding
* Ask questions about documents directly in chat (e.g., summaries, detail queries)
* Clear source citations in response text

### Usage

1. Upload document (in the document area)
2. After processing, ask questions about it in chat
   **Or:** Store in knowledge base and query collectively

## Best Practices

* Prefer clear, easily readable documents
* Use high-quality scans
* Ask specific questions
* Store documents thematically sorted in knowledge bases
* Verify important information before further use

## Security

* Encrypted storage & transmission (GDPR-compliant)
* Access via user authorization
* Processing & storage only in secure, EU-based data centers

## Limitations

* Very large documents may need to be split
* Complex tables/graphics may be incomplete
* Technical content may need more context
* Text recognition depends on image quality

## Related Features

<CardGroup>
  <Card title="Prompt Libraries" icon="book" href="/features/Promptbibliothek">
    Organize prompts for common tasks
  </Card>

  <Card title="Knowledge Base" icon="database" href="/features/Wissensdatenbank">
    Bundle documents thematically and search efficiently
  </Card>
</CardGroup>