Marker
Convert PDFs to clean Markdown fast
Document AI & OCRPDF-to-Markdown converterGPL-3.0Runs locallyPythonIntermediate
🐳 Docker pulls
📦 PyPI downloads / month
📦 npm downloads / month
🚀 Latest release ·
What is Marker?
Marker converts PDFs and office documents to clean Markdown, JSON and HTML with high accuracy, handling tables, equations and multi-column layouts.
Why people choose Marker
- High-accuracy PDF to Markdown, tables included
- Handles equations and complex layouts
- Fast batch conversion on GPU or CPU
Marker at a glance
| Category | Document AI & OCR |
| Type | PDF-to-Markdown converter |
| License | GPL-3.0 |
| Runs locally | Yes |
| Built with | Python |
| Skill level | Intermediate |
| Best for | developers feeding documents into RAG pipelines |
Latest releases
Open-source alternatives to Marker
Other open-source document ai & ocr tools worth comparing:
DoclingIBM-grade document understandingSuryaModern OCR with layout detection
PaddleOCRIndustrial OCR with tiny models
UnstructuredTurn any file into LLM-ready data
FirecrawlTurn websites into LLM-ready Markdown
Crawl4AIOpen-source LLM-friendly crawler
olmOCRTurn PDFs into clean training-grade text
MinerUPDF to Markdown with formulas and tables
TesseractThe classic OCR engineMarker head-to-head
Marker vs DoclingMarker vs SuryaMarker vs PaddleOCRMarker vs UnstructuredMarker vs FirecrawlMarker vs Crawl4AIMarker vs olmOCRMarker vs MinerUMarker vs Tesseract
FAQ
Is Marker free?
Marker is free and open-source (GPL-3.0 license), so you can use, self-host and modify it at no cost.
Can I run Marker locally?
Yes. Marker is designed to run on your own machine or server, keeping your data private.
What is the best alternative to Marker?
Popular open-source alternatives include Docling, Surya, PaddleOCR. See the comparisons above to choose.
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