MarkItDown is a versatile utility developed by Microsoft that transforms over 15 file formats—such as PDF, DOCX, PPTX, and even audio files—into structured Markdown. By providing clean, text-based output, it enables Claude and other language models to process complex documents, spreadsheets, and presentations with high fidelity while optimizing token usage. Its advanced capabilities include OCR for scanned documents, speech-to-text for audio files, and AI-driven image descriptions, making it an essential tool for scientific research, data analysis, and automated document ingestion workflows within the Claude Code environment.
Key Features
01Built-in OCR for scanned documents and image-to-text conversion
02Audio transcription for WAV and MP3 files
03Supports 15+ formats including PDF, DOCX, PPTX, XLSX, and HTML
04AI-enhanced image descriptions and scientific figure analysis
05Token-efficient Markdown output optimized for LLM contexts
06324 GitHub stars
