Docling in Python: A Practical 2026 Guide to Parsing PDFs, DOCX, and HTML for RAG
IBM's open-source Docling library turns PDFs, DOCX, PPTX, XLSX, and HTML into clean Markdown or JSON for RAG. This 2026 guide covers install, table extraction, HybridChunker, LangChain and LlamaIndex integrations, plus how it stacks up to Unstructured and LlamaParse.