Supported formats

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The MCP server exposes the full GroupDocs.Markdown engine: every format the .NET library can turn into Markdown — 20+ document, spreadsheet, and e-book formats — is available to your AI agent through convert_to_markdown. The canonical matrix lives in the library documentation: supported document formats.

What each family gives you:

  • PDF — the most common source, and the one where structure recovery matters: headings, lists, and tables come across rather than a wall of text.
  • DOCX / DOC / RTF / ODT — the cleanest conversions, because the structure is already explicit in the source.
  • XLSX / XLS / ODS / CSV / TSV — sheets become Markdown tables. pages selects worksheets here, not printed pages.
  • EPUB / MOBI / CHM — e-books and help files, which is how a lot of internal documentation is still archived.
  • TXT — normalised into Markdown with front matter if you ask for it.

Scanned documents are the exception. A PDF that is a picture of a page has no text layer, so the conversion produces images rather than prose. There is no OCR step here — check with get_document_info and your own eyes before feeding a scanned archive into an ingestion run.

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