Unstructured

Unstructured is an open-source ETL solution transforming complex documents into clean, structured formats for language models. Connects to any source, processes 64+ file types including PDFs, images, HTML, and Office documents. March 2025 API release includes new Workflow Endpoint for programmatic connect-partition-chunk-embed-write pipelines on scheduled intervals. Handles the 80% of enterprise data living in unstructured formats that traditional ETL can't process. Features preprocessing with NLP and OCR, chunking strategies, embedding generation, and destination connectors. Enterprise platform available for production workflows.