Framework
Marker
Marker is an open-source AI framework, launched in 2023, made for developers.
A tool that converts PDFs and other documents to Markdown, JSON or HTML.
Main jobs: Document parsing, Text recognition (OCR). It is open source and free to use. You can use it on your own server, offline on your own machine, in the terminal and through an API.
Markdown version of https://godooo.ai/en/framework/marker. Every page on this site has one: add .md to its address.
At a glance
- Type
- Framework
- Launched
- 2023
- Galaxy
- Models & APIs
- Open source
- Yes · Apache-2.0
- Source code
- github.com/datalab-to/marker
- GitHub stars
- 39,942
- How you run it
- Self-host · Runs offline · Terminal · API
- Made for
- Developers
- Website
- github.com
What it can do
Document parsingmain jobunconfirmed
“Marker converts documents to markdown, JSON, chunks, and HTML quickly and accurately.”— github.com, 2026-09-24
Text recognition (OCR)main jobunconfirmed
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- MinerUOpen source, freeAlso does: Document parsing, Text recognition (OCR)
- DoclingOpen source, freeAlso does: Document parsing, Text recognition (OCR)
- PaddleOCROpen source, freeAlso does: Document parsing, Text recognition (OCR)
- SuryaOpen source, freeAlso does: Document parsing, Text recognition (OCR)
- MarkItDownOpen source, freeAlso does: Document parsing, Text recognition (OCR)
- UnstructuredOpen source, freeAlso does: Document parsing, Text recognition (OCR)
- LlamaIndexOpen source, freeAlso does: Document parsing, Text recognition (OCR)
- RAGFlowOpen source, freeAlso does: Document parsing
- PDF SkillAlso does: Document parsing
- FirecrawlOpen source, freeAlso does: Document parsing
- MistralOpen source, freeAlso does: Text recognition (OCR)
- QwenOpen source, freeAlso does: Text recognition (OCR); no code needed
Questions
What is Marker?
Marker is an open-source AI framework, launched in 2023, made for developers. A tool that converts PDFs and other documents to Markdown, JSON or HTML.
Is Marker free?
Yes. Marker is open source (Apache-2.0) and free to use.
Is Marker open source?
Yes, under the Apache-2.0 license. The source code is at https://github.com/datalab-to/marker.
Can Marker run locally?
Yes. Marker can run offline on your own machine. It can also be self-hosted on your own server.
What can Marker do?
Main jobs: Document parsing, Text recognition (OCR).
What are open-source alternatives to Marker?
Open-source ones: MinerU, Docling, PaddleOCR, Surya, MarkItDown, Unstructured, LlamaIndex and RAGFlow. Others: PDF Skill.
Sources
- github.com/datalab-to/markerchecked 2026-09-24