MinerU is an open-source tool focused on converting PDF files into machine-readable formats such as Markdown and JSON, facilitating content extraction and further processing. It addresses symbol conversion issues in scientific literature, supports various output formats, and is compatible with multiple operating systems. Key advantages of MinerU include removing headers, footers, footnotes, and page numbers while maintaining the original document structure, automatically recognizing and converting formulas and tables within documents, OCR capabilities, and support for detection and recognition in up to 84 languages.