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Microsoft Markitdown: A Comprehensive Guide To Code And Implementation

Technical guide covering microsoft markitdown: a comprehensive guide to code and implementation

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Cosmic Lounge AI Team
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Updated
6/1/2025
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#llm #ai #model #docker #api #setup #installation #configuration #introduction #design

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📖 Table of Contents

🌌 Microsoft MarkItDown: A Comprehensive Guide to Code and Implementation



🌟 Introduction

🚀 Welcome to this comprehensive guide! This section will give you the foundational knowledge you need. Microsoft MarkItDown is a versatile Python utility engineered to facilitate the conversion of a wide array of file formats into Markdown. This lightweight tool is particularly valuable for applications involving Large Language Models (LLMs) and various text analysis pipelines, as it focuses on preserving essential document structure and content within the Markdown output. While the generated Markdown is often human-readable, its primary intention is to serve as input for automated text processing .



🌟 1. Installation and Setup

Microsoft MarkItDown can be readily installed using the Python package manager, pip. For users intending to leverage the full spectrum of supported file formats, it is recommended to install all optional dependencies using the following command:

pip install ‘markitdown[all]’

Alternatively, for more granular control over the installed dependencies, users can specify individual feature groups corresponding to the file formats they intend to work with. For instance, to install only the dependencies required for converting PDF, DOCX, and PPTX files, the following command can be used :

pip install markitdown[pdf, docx, pptx]

In scenarios where installation from the source is preferred, users can clone the official GitHub repository and then install the package along with all dependencies using the editable install option :

git clone git@github.com:microsoft/markitdown.git cd markitdown pip install -e packages/markitdown[all]

MarkItDown’s architecture incorporates optional dependencies to handle various file formats. These dependencies are organized into feature groups, allowing users to install only the necessary components for their specific use cases. The following table outlines the available optional dependencies and the file formats they enable:

Optional Dependency NameDescriptionSupported File Formats
allInstalls all optional dependenciesPDF, PowerPoint, Word, Excel (including older .xls), Outlook messages, Azure Document Intelligence, audio and YouTube transcription, and more.
pptxInstalls dependencies for PowerPoint files.pptx
docxInstalls dependencies for Word files.docx
xlsxInstalls dependencies for Excel files.xlsx
xlsInstalls dependencies for older Excel files.xls
pdfInstalls dependencies for PDF files.pdf
outlookInstalls dependencies for Outlook messages.msg (Outlook)
az-doc-intelInstalls dependencies for Azure Document IntelligenceVarious formats supported by Azure Document Intelligence
audio-transcriptionInstalls dependencies for audio transcription of wav and mp3 files.wav, .mp3
youtube-transcriptionInstalls dependencies for fetching YouTube video transcriptionYouTube URLs

This modular approach to dependencies ensures that users can tailor their installation to their specific needs, minimizing the installation footprint when not all file format support is required .



🌟 2. Basic Usage

Microsoft MarkItDown offers both a command-line interface (CLI) and a Python API for converting files to Markdown .



🌟 2.1 Command-Line Interface

The CLI provides a straightforward way to convert files directly from the terminal. The basic syntax for converting a file is as follows :

markitdown > <path-to-output-file.md>

For example, to convert a PDF file named document.pdf to Markdown and save the output as document.md, the following command can be used :

markitdown document.pdf > document.md

Alternatively, the -o flag can be used to specify the output file :

markitdown document.pdf -o document.md

Content can also be piped directly to the markitdown command for conversion :

cat document.pdf | markitdown > document.md

For users utilizing Docker, the markitdown utility can be executed within a container. Assuming a Docker image named markitdown has been built, a file can be converted by mounting the local directory to /in inside the container :

docker run -it —rm -v .:/in markitdown markitdown test.docx > test_docx.md

In this command, the first markitdown refers to the Docker image name, and the second markitdown is the utility being executed.



🌟 2.2 Python API Usage

The Python API allows for programmatic integration of MarkItDown into Python scripts and applications. The core class for conversion is MarkItDown, which can be imported as follows:

from markitdown import MarkItDown

A basic conversion can be performed by creating an instance of the MarkItDown class and calling the convert() method with the path to the input file :

md = MarkItDown() result = md.convert(“test.xlsx”) print(result.text_content)

The convert() method returns a result object containing the converted Markdown content, which can be accessed through the text_content attribute. For converting YouTube video transcripts, the convert_url() method can be used :

result_transcript = md.convert_url(“https://www.youtube.com/watch?v=HdPzOWlLrbE”) print(result_transcript.text_content)



🌟 3. Advanced Features and Implementation



🌟 3.1 Working with Plugins

Microsoft MarkItDown supports third-party plugins, which are disabled by default. To list the installed plugins, the following command can be used:

markitdown —list-plugins

Plugins can be enabled using the —use-plugins option followed by the path to the plugin file and the input file :

markitdown —use-plugins path/to/plugin.py input_file.pdf

Available plugins can be discovered by searching GitHub for the hashtag #markitdown-plugin. The project provides a sample plugin in the packages/markitdown-sample-plugin directory, which can serve as a template for developing custom plugins . **



🌟 3.2 Integrating with Large Language Models (LLMs)

MarkItDown can be integrated with LLMs to enhance its capabilities, particularly for image description. To utilize this feature, an LLM client and model need to be configured when initializing the MarkItDown instance. For example, using the OpenAI API:

from markitdown import MarkItDown from openai import OpenAI

client = OpenAI() # Requires OpenAI API key to be configured

md = MarkItDown(llm_client=client, llm_model=“gpt-4o”) result = md.convert(“example.jpg”) print(result.text_content)

This integration allows MarkItDown to generate textual descriptions of images by prompting the configured LLM. The Python API offers developers the flexibility to integrate document conversion into their applications and workflows, enabling automated processing and dynamic conversion based on application logic .



🌟 3.3 Streaming Conversions and Advanced API Functionalities

The convert_stream() method in MarkItDown now requires a binary file-like object, representing a change from earlier versions that also accepted text file-like objects. This necessitates opening files in binary mode when using this method. Furthermore, the DocumentConverter class interface has been updated to read from file-like streams rather than file paths, eliminating the creation of temporary files during the conversion process .



🌟 4. Handling Specific File Formats - Implementation Details and Code Examples



🌟 4.1 PDF Files

MarkItDown leverages the pdfminer library for parsing PDF files. For scanned PDFs, Optical Character Recognition (OCR) preprocessing is necessary to extract text, as MarkItDown does not have built-in OCR capabilities. A basic conversion of an editable PDF can be performed as follows:

markitdown document.pdf > document.md

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“document.pdf”) print(result.text_content)

It’s important to note that formatting might be lost during PDF conversion, and headings and plain text may not be distinctly identified. For enhanced PDF processing, especially with OCR, integrating with Azure Document Intelligence is an option :

markitdown path-to-file.pdf -o document.md -d -e “<document_intelligence_endpoint>”

from markitdown import MarkItDown md = MarkItDown(docintel_endpoint=“<document_intelligence_endpoint>”) result = md.convert(“test.pdf”) print(result.text_content)



🌟 4.2 Word Files

For converting Microsoft Word files (.docx), MarkItDown utilizes libraries like mammoth to transform the document into HTML, which is then parsed into Markdown using BeautifulSoup. A basic conversion can be performed via the command line:

markitdown document.docx > document.md

Or through the Python API:

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“document.docx”) print(result.text_content)



🌟 4.3 Excel Files

MarkItDown can convert Microsoft Excel files (.xlsx and older .xls formats) using libraries like pandas. It handles multi-tab spreadsheets with ease. Command-line conversion:

markitdown spreadsheet.xlsx > spreadsheet.md

Python API conversion:

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“spreadsheet.xlsx”) print(result.text_content)



🌟 4.4 Image Files

MarkItDown supports converting image files by extracting EXIF metadata and performing OCR using EasyOCR. For generating image descriptions, integration with an LLM is required .

markitdown image.jpg > image.md

from markitdown import MarkItDown from openai import OpenAI

client = OpenAI() # Requires OpenAI API key

md = MarkItDown(llm_client=client, llm_model=“gpt-4o”) result = md.convert(“example.jpg”) print(result.text_content)

Image conversion necessitates the installation and configuration of ExifTool for metadata extraction and EasyOCR for text recognition .



🌟 4.5 Audio Files

Audio files can be converted by extracting EXIF metadata and performing speech transcription using the speech_recognition library, which leverages Google’s API for transcription .

markitdown audio.mp3 > audio.md

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“audio.mp3”) print(result.text_content)



🌟 4.6 HTML Files

MarkItDown can convert HTML files, with special handling for Wikipedia and similar sites .

markitdown webpage.html > webpage.md

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“webpage.html”) print(result.text_content)



🌟 4.7 Text-based Formats (CSV, JSON, XML)

MarkItDown supports conversion of various text-based formats, including CSV, JSON, and XML .

markitdown data.csv > data.md markitdown data.json > data.md markitdown data.xml > data.md

from markitdown import MarkItDown md = MarkItDown() result_csv = md.convert(“data.csv”) result_json = md.convert(“data.json”) result_xml = md.convert(“data.xml”) print(result_csv.text_content) print(result_json.text_content) print(result_xml.text_content)



🌟 4.8 ZIP Files

MarkItDown can process ZIP archives by iterating over their contents and converting each supported file within .

markitdown archive.zip > archive.md

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“archive.zip”) print(result.text_content)



🌟 4.9 YouTube URLs

As mentioned earlier, YouTube video transcripts can be directly converted using the convert_url() method .

from markitdown import MarkItDown md = MarkItDown() result_transcript = md.convert_url(“https://www.youtube.com/watch?v=HdPzOWlLrbE”) print(result_transcript.text_content)



🌟 4.10 EPubs

MarkItDown also supports the conversion of EPUB files .

markitdown ebook.epub > ebook.md

from markitdown import MarkItDown md = MarkItDown() result = md.convert(“ebook.epub”) print(result.text_content)

The implementation details for each file format involve utilizing specific Python libraries tailored for parsing and extracting content from those formats, followed by converting the extracted information into Markdown syntax. This modular design allows for the addition of new file format support through plugins or by contributing directly to the project .



🌟 5. Troubleshooting and Common Issues

Users might encounter various issues while using Microsoft MarkItDown. Some common problems include conversion failures for specific file types like CSV, PDF, and Word documents containing images. For CSV conversion issues, manual reformatting might be necessary, or users can check for updates to the tool. PDF conversion errors could arise from corrupted or password-protected files, or the lack of OCR for scanned documents. When dealing with Word documents containing images, the text within images might not be extracted, requiring manual intervention or alternative tools. For troubleshooting, it is advisable to consult the GitHub issues page for known bugs and discussions. Ensuring that all necessary dependencies are installed based on the file types being converted is crucial. Trying to convert smaller files initially can help isolate issues. The official documentation and community forums can also provide valuable assistance in resolving conversion problems.



🌟 Conclusion

Microsoft MarkItDown stands as a robust and versatile tool for converting a wide range of file formats into Markdown, primarily catering to the needs of LLMs and text analysis pipelines. Its dual interface, offering both command-line and Python API functionalities, provides flexibility for various use cases, from simple file conversions to complex programmatic integrations. The support for optional dependencies allows users to tailor the tool to their specific requirements, while the plugin architecture offers extensibility for future enhancements. Integration with LLMs for advanced features like image description further underscores its utility in modern document processing workflows.

🔧 Works cited

1. microsoft/markitdown: Python tool for converting files and office documents to Markdown. - GitHub, https://github.com/microsoft/markitdown 2. MarkItDown is a new Python Library from Microsoft that aims to convert everything to Markdown - Corti.com, https://corti.com/markitdown-is-a-python-library-that-aims-to-convert-everything-to-markdown-2/ 3. Deep Dive into Microsoft MarkItDown - DEV Community, https://dev.to/leapcell/deep-dive-into-microsoft-markitdown-4if5 4. markitdown - PyPI, https://pypi.org/project/markitdown/ 5. Deep Dive into Microsoft MarkItDown - Leapcell, https://leapcell.io/blog/deep-dive-into-microsoft-markitdown 6. Markitdown - Convert files and MS Office documents to Markdown - Christophe Avonture, https://www.avonture.be/blog/markitdown/ 7. Exploring Microsoft Markitdown: Practical Use Cases with LLAMA and LLAVA Integration | by Dinesh Raghupatruni | Medium, https://medium.com/@dineshraghupatruni/exploring-microsoft-markitdown-practical-use-cases-with-llama-and-llava-integration-96ad3ed5576d 8. Releases · microsoft/markitdown - GitHub, https://github.com/microsoft/markitdown/releases 9. Microsoft expands Markdown ecosystem with new document conversion tool - PPC Land, https://ppc.land/microsoft-expands-markdown-ecosystem-with-new-document-conversion-tool/ 10. MarkItDown: Microsoft AI-Powered Document Conversion Tool for PDF, Office Files and More - Tech Explorer, https://stable-learn.com/en/markitdown\_use\_guide/ 11. Microsoft MarkItDown - Convert Files and Office Documents to Markdown - Install Locally, https://www.youtube.com/watch?v=v65Oyddfxeg 12. Microsoft MarkItDown + Ollama and LLaVA: Markdown Conversion with LLM - Medium, https://medium.com/@giacomo\_\_95/markitdown-ollama-and-llava-markdown-conversion-with-microsofts-markitdown-and-ollama-s-llm-2141bba9d183 13. How to Install Microsoft MarkItDown Locally? - NodeShift, https://nodeshift.com/blog/how-to-install-microsoft-markitdown-locally 14. Assessment of Microsoft’s Markitdown series 2:Parse PDF files - UnDatasIO, https://undatas.io/blog/posts/assessment-of-microsofts-markitdown-series2-parse-pdf-files/ 15. Microsoft MarkItDown: Convert Files and Office Documents to Markdown (Local Install Step by Step) - YouTube, https://www.youtube.com/watch?v=Ghkyr\_irQHE 16. Microsoft has released an open source Python tool for converting other document formats to markdown : r/ObsidianMD - Reddit, https://www.reddit.com/r/ObsidianMD/comments/1hioaov/microsoft\_has\_released\_an\_open\_source\_python\_tool/ 17. ConvertFrom-Markdown (Microsoft. PowerShell. Utility), https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/convertfrom-markdown?view=powershell-7.5 18. Modern HTML to Markdown Converter for Python - Reddit, https://www.reddit.com/r/Python/comments/1igtrtp/htmltomarkdown\_12\_modern\_html\_to\_markdown/ 19.