olmOCR from AI2 converts messy PDFs into clean linearised text at scale, preserving reading order across columns and figures.
From the README
pip install olmocr
- Convert PDF, PNG, and JPEG based documents into clean Markdown
- Support for equations, tables, handwriting, and complex formatting
- Automatically removes headers and footers
- Convert into text with a natural reading order, even in the presence of
Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.
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Free · no card · unsubscribe anytimeToolkit for linearizing PDFs for LLM datasets/training
olmocr has 19.4k stars on GitHub. It has been forked 1.6k times. olmocr is written mainly in Python. It has been in active development since 2024. olmocr is available under the Apache-2.0 license.
Read the full guideWhat is olmocr?
Toolkit for linearizing PDFs for LLM datasets/training
Is olmocr open source?
olmocr is an open-source project. It is released under the Apache-2.0 license.
Is olmocr free?
Yes. olmocr is free and open source — you can use, modify and self-host it.
What license does olmocr use?
olmocr is available under the Apache-2.0 license.
What language is olmocr written in?
olmocr is written mainly in Python.
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