Pdfdeal is a Python tool that packages the Doc2X API, providing local PDF processing capabilities to enhance PDF recall in RAG (Retrieval Augmented Generation). It supports various output formats, including text, Markdown, and PDF, and allows customization of OCR language and utilizes GPU acceleration. It also integrates with Doc2X, a service with a daily free usage quota of 500 pages, which excels in recognizing tables and formulas.