MarkItDown is Microsoft's free, MIT-licensed Python tool that converts PDFs, Office files, images and audio into clean Markdown for LLMs. It just spiked on GitHub trending past 180,000 stars, and setup is one pip install with no account required.

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MarkItDown turns any file into clean Markdown, built for feeding straight into an LLM. It's free, it's from Microsoft, and it just spiked on GitHub trending, past one hundred eighty thousand stars. Watch this. One command, and a whole HTML report becomes structured Markdown: headings, a bullet list, and a real table, all preserved. That's the entire trick. It's open source on GitHub, MIT licensed, and built as a Python library on purpose, no server bundled in, no bloat. Setup is one pip install.

Grab it with every optional converter enabled, PDF, Word, Excel, PowerPoint, images, audio, it's all in there. List the installed plugins to confirm the command line tool is ready, and check the version you actually got. Now point it at any file already on your machine, a PDF, a spreadsheet, whatever you've got, and convert it for real. That's a working local converter, no account, no API key, nothing to sign up for. Full setup, and using it for real, in about two minutes.