A Rust CLI with Python and Node bindings that turns Office documents and PDFs into clean markdown for LLMs and agents. Here's what it does, why I built it, and how to use it.
PDF isn't a document format - it's a page-description language. Here's what's actually inside a .pdf file, how to inspect one by hand, and why getting clean text out is harder than it looks.
Every Office file is a ZIP archive full of XML. Here's what's inside - exploring the Open Packaging Conventions, SpreadsheetML, PresentationML, and WordprocessingML with real file examples.