Unstructured
ETL for unstructured data — PDFs, images, HTML to LLM-ready
Data & ETLFree (open-source) + API★ 9,000
About Unstructured
Unstructured is an ETL tool for converting unstructured documents (PDFs, images, HTML, Word) into clean, structured data ready for LLM pipelines. It's the standard for document preprocessing in RAG applications.
Features
PDF parsing
Image extraction
HTML processing
Chunking
Multi-format
The tally
FOR
- +Best document parsing quality
- +Supports every format
- +RAG-optimized output
- +Active development
- +API + local options
AGAINST
- −Heavy dependencies
- −Slow for large document sets
- −API pricing per page
- −Complex configuration
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