Unstructured

Turn any file into LLM-ready data
Document AI & OCRETL for documentsApache-2.0Self-hostedPythonIntermediate
OSAI Pulse ⓘ ★★★★★★★★★★ /100 signals tracked
🐳 Docker pulls 📦 PyPI downloads / month 📦 npm downloads / month 🚀 Latest release ·
Visit website →View on GitHub

What is Unstructured?

Unstructured extracts and normalizes content from PDFs, HTML, Word, emails and more into clean elements ready for embedding and RAG ingestion.

Why people choose Unstructured

Unstructured at a glance

CategoryDocument AI & OCR
TypeETL for documents
LicenseApache-2.0
Runs locallySelf-hosted
Built withPython
Skill levelIntermediate
Best forteams ingesting many file types into one pipeline

Open-source alternatives to Unstructured

Other open-source document ai & ocr tools worth comparing:

MarkerConvert PDFs to clean Markdown fastDoclingIBM-grade document understandingSuryaModern OCR with layout detectionPaddleOCRIndustrial OCR with tiny modelsFirecrawlTurn websites into LLM-ready MarkdownCrawl4AIOpen-source LLM-friendly crawlerolmOCRTurn PDFs into clean training-grade textMinerUPDF to Markdown with formulas and tablesTesseractThe classic OCR engine

Unstructured head-to-head

Unstructured vs MarkerUnstructured vs DoclingUnstructured vs SuryaUnstructured vs PaddleOCRUnstructured vs FirecrawlUnstructured vs Crawl4AIUnstructured vs olmOCRUnstructured vs MinerUUnstructured vs Tesseract

FAQ

Is Unstructured free?

Unstructured is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.

Can I run Unstructured locally?

Yes. Unstructured is designed to run on your own machine or server, keeping your data private.

What is the best alternative to Unstructured?

Popular open-source alternatives include Marker, Docling, Surya. See the comparisons above to choose.

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