Drop a PDF and get clean, LLM-ready Markdown: real tables, formulas as LaTeX, and OCR, with reading order intact. The same engine is a hosted REST API and an MCP endpoint, so AI agents and RAG pipelines convert PDFs as a built-in tool. It runs its own engines (MinerU + Docling), not an LLM wrapper. Free to start in the browser; also a Chrome extension and a ChatGPT Custom GPT.