Convert files and office documents to Markdown. Supports PDF, DOCX, PPTX, XLSX, images (with OCR), audio (with transcription), HTML, CSV, JSON, XML, ZIP, YouTube URLs, EPubs and more.
MarkItDown is a Python tool developed by Microsoft for converting various file formats to Markdown. It's particularly useful for converting documents into LLM-friendly text format, as Markdown is token-efficient and well-understood by modern language models.
Key Benefits:
When creating documents with this skill, always consider adding scientific diagrams and schematics to enhance visual communication.
If your document does not already contain schematics or diagrams:
For new documents: Scientific schematics should be generated by default to visually represent key concepts, workflows, architectures, or relationships described in the text.
How to generate schematics:
python scripts/generate_schematic.py "your diagram description" -o figures/output.png
The AI will automatically:
When to add schematics:
For detailed guidance on creating schematics, refer to the scientific-schematics skill documentation.
| Format | Description | Notes |
|---|---|---|
| Portable Document Format | Full text extraction | |
| DOCX | Microsoft Word | Tables, formatting preserved |
| PPTX | PowerPoint | Slides with notes |
| XLSX | Excel spreadsheets | Tables and data |
| Images | JPEG, PNG, GIF, WebP | EXIF metadata + OCR |
| Audio | WAV, MP3 | Metadata + transcription |
| HTML | Web pages | Clean conversion |
| CSV | Comma-separated values | Table format |
| JSON | JSON data | Structured representation |
| XML | XML documents | Structured format |
| ZIP | Archive files | Iterates contents |
| EPUB | E-books | Full text extraction |
| YouTube | Video URLs | Fetch transcriptions |
# Install with all features
pip install 'markitdown[all]'
# Or from source
git clone https://github.com/microsoft/markitdown.git
cd markitdown
pip install -e 'packages/markitdown[all]'
# Basic conversion
markitdown document.pdf > output.md
# Specify output file
markitdown document.pdf -o output.md
# Pipe content
cat document.pdf | markitdown > output.md
# Enable plugins
markitdown --list-plugins # List available plugins
markitdown --use-plugins document.pdf -o output.md
from markitdown import MarkItDown
# Basic usage
md = MarkItDown()
result = md.convert("document.pdf")
print(result.text_content)
# Convert from stream
with open("document.pdf", "rb") as f:
result = md.convert_stream(f, file_extension=".pdf")
print(result.text_content)
Use LLMs via OpenRouter to generate detailed image descriptions (for PPTX and image files):
from markitdown import MarkItDown
from openai import OpenAI
# Initialize OpenRouter client (OpenAI-compatible API)
client = OpenAI(
api_key="your-openrouter-api-key",
base_url="https://openrouter.ai/api/v1"
)
md = MarkItDown(
llm_client=client,
llm_model="anthropic/claude-sonnet-4.5", # recommended for scientific vision
llm_prompt="Describe this image in detail for scientific documentation"
)
result = md.convert("presentation.pptx")
print(result.text_content)
For enhanced PDF conversion with Microsoft Document Intelligence:
# Command line
markitdown document.pdf -o output.md -d -e "<document_intelligence_endpoint>"
# Python API
from markitdown import MarkItDown
md = MarkItDown(docintel_endpoint="<document_intelligence_endpoint>")
result = md.convert("complex_document.pdf")
print(result.text_content)
MarkItDown supports 3rd-party plugins for extending functionality:
# List installed plugins
markitdown --list-plugins
# Enable plugins
markitdown --use-plugins file.pdf -o output.md
Find plugins on GitHub with hashtag: #markitdown-plugin
Control which file formats you support:
# Install specific formats
pip install 'markitdown[pdf, docx, pptx]'
# All available options:
# [all] - All optional dependencies
# [pptx] - PowerPoint files
# [docx] - Word documents
# [xlsx] - Excel spreadsheets
# [xls] - Older Excel files
# [pdf] - PDF documents
# [outlook] - Outlook messages
# [az-doc-intel] - Azure Document Intelligence
# [audio-transcription] - WAV and MP3 transcription
# [youtube-transcription] - YouTube video transcription
from markitdown import MarkItDown
md = MarkItDown()
# Convert PDF paper
result = md.convert("research_paper.pdf")
with open("paper.md", "w") as f:
f.write(result.text_content)
from markitdown import MarkItDown
md = MarkItDown()
result = md.convert("data.xlsx")
# Result will be in Markdown table format
print(result.text_content)
from markitdown import MarkItDown
import os
from pathlib import Path
md = MarkItDown()
# Process all PDFs in a directory
pdf_dir = Path("papers/")
output_dir = Path("markdown_output/")
output_dir.mkdir(exist_ok=True)
for pdf_file in pdf_dir.glob("*.pdf"):
result = md.convert(str(pdf_file))
output_file = output_dir / f"{pdf_file.stem}.md"
output_file.write_text(result.text_content)
print(f"Converted: {pdf_file.name}")
from markitdown import MarkItDown
from openai import OpenAI
# Use OpenRouter for access to multiple AI models
client = OpenAI(
api_key="your-openrouter-api-key",
base_url="https://openrouter.ai/api/v1"
)
md = MarkItDown(
llm_client=client,
llm_model="anthropic/claude-sonnet-4.5", # recommended for presentations
llm_prompt="Describe this slide image in detail, focusing on key visual elements and data"
)
result = md.convert("presentation.pptx")
with open("presentation.md", "w") as f:
f.write(result.text_content)
from markitdown import MarkItDown
from pathlib import Path
md = MarkItDown()
# Files to convert
files = [
"document.pdf",
"spreadsheet.xlsx",
"presentation.pptx",
"notes.docx"
]
for file in files:
try:
result = md.convert(file)
output = Path(file).stem + ".md"
with open(output, "w") as f:
f.write(result.text_content)
print(f"✓ Converted {file}")
except Exception as e:
print(f"✗ Error converting {file}: {e}")
from markitdown import MarkItDown
md = MarkItDown()
# Convert YouTube video to transcript
result = md.convert("https://www.youtube.com/watch?v=VIDEO_ID")
print(result.text_content)
# Build image
docker build -t markitdown:latest .
# Run conversion
docker run --rm -i markitdown:latest < ~/document.pdf > output.md
MarkItDown()from markitdown import MarkItDown
md = MarkItDown()
Edit PDFs with natural-language instructions using the nano-pdf CLI.