Which file formats does MarkItDown support?

MarkItDown supports over 15 formats including PDF, DOCX, PPTX, XLSX, images (JPG, PNG), audio (MP3, WAV), HTML, CSV, JSON, XML, ZIP, and even YouTube URLs.

Is the output optimized for Claude?

Yes, by converting files to Markdown, MarkItDown creates a token-efficient and structured format that Claude can easily parse, analyze, and summarize.

Can MarkItDown handle scanned documents?

Yes, it includes integrated OCR capabilities to extract text from scanned PDFs and images, making them searchable and readable by AI models.

Can I extract data from spreadsheets?

Yes, MarkItDown converts Excel (XLSX) and CSV files into Markdown tables, preserving the data structure for easy extraction and calculation.

Does it support AI-generated image descriptions?

Absolutely. When configured with an LLM client, MarkItDown can generate detailed, context-aware descriptions for images and PowerPoint slides.

MarkItDown File Converter

Name: MarkItDown File Converter
Author: ccam80

byccam80

0•

Content Management

Converts diverse file formats and office documents into clean, structured Markdown for LLM processing and scientific documentation.

MarkItDown is a versatile utility that transforms a wide array of document types—including PDFs, Word documents, Excel spreadsheets, and multimedia—into token-efficient Markdown. Developed to streamline the ingestion of complex data into language models, it features built-in OCR for scanned documents, AI-powered image descriptions for technical figures, and speech-to-text transcription. This skill is particularly effective for scientific workflows, allowing researchers to convert literature, extract tabular data, and prepare content for automated analysis or manuscript drafting within the Claude environment.

Key Features

01Audio transcription for WAV and MP3 files

020 GitHub stars

03Advanced OCR for text extraction from images and scanned documents

04Token-efficient output optimized for Claude and other LLMs

05AI-enhanced visual descriptions for technical and scientific figures

06Supports 15+ formats including PDF, DOCX, PPTX, XLSX, and EPub

Use Cases

01Generating transcripts and summaries from YouTube videos or recorded lectures

02Converting scientific research papers and PDFs into readable Markdown for literature reviews

03Extracting structured data from complex Excel spreadsheets for automated analysis

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add ccam80/thesis-writer markitdown

For use in Claude.ai and ChatGPT

Download Skill