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

# Supported Formats

> Overview of all file formats that Revisory can process.

<Note>
  🇩🇪 [Auf Deutsch lesen](/de/dokumente/unterstuetzte-formate)
</Note>

Revisory supports the most common document formats and automatically extracts text for AI analysis.

## Supported File Types

| Format       | Extension | Description                                                       |
| ------------ | --------- | ----------------------------------------------------------------- |
| **PDF**      | `.pdf`    | Portable Document Format – text is extracted via OCR if necessary |
| **Word**     | `.docx`   | Microsoft Word documents                                          |
| **Excel**    | `.xlsx`   | Spreadsheets – cell contents are extracted as text                |
| **Text**     | `.txt`    | Plain text files                                                  |
| **Markdown** | `.md`     | Markdown-formatted documents                                      |
| **URL**      | –         | Web pages – content is loaded automatically                       |

## Notes on Specific Formats

### PDF

* Text-based PDFs are processed directly
* Scanned documents automatically go through OCR (text recognition)
* Complex layouts with many columns may affect text extraction

### Excel

* All worksheets are extracted
* Formulas are converted to calculated values
* Charts and images are not processed

### URLs

* The page must be publicly accessible
* JavaScript-rendered content may not be fully captured
* Login-protected pages cannot be processed

## Unsupported Formats

The following formats are currently not supported:

* Older Word formats (`.doc`)
* PowerPoint (`.pptx`, `.ppt`)
* Image files without text (`.jpg`, `.png`)
* Audio and video files

<Tip>
  Convert unsupported formats to PDF or DOCX before uploading.
</Tip>

## File Size Limits

| Limit                       | Value          |
| --------------------------- | -------------- |
| Maximum file size           | 10 MB          |
| Recommended document length | Up to 50 pages |

<Info>
  Very long documents may increase analysis time and consume more credits.
</Info>