unstructured.io
Document parsing and preprocessing API that transforms unstructured data into LLM-ready formats.
Unstructured API provides intelligent document parsing that extracts and transforms content from PDFs, Word documents, HTML, images, and 20+ file formats into clean, structured data ready for LLM applications and RAG pipelines.
Features include automatic format detection, layout analysis, table extraction, OCR for scanned documents, metadata preservation, chunking strategies optimized for embeddings, and connector integrations with popular data sources. The platform handles complex document layouts including multi-column text, headers, footers, and embedded images.
AI engineers building RAG systems, knowledge bases, and document analysis pipelines rely on Unstructured for consistent, high-quality data preprocessing. Available as hosted API or open-source library for self-hosted deployment.
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