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Umi-OCR vs MinerU: catalog facts
Umi-OCR	MinerU
Free Free and open source under the MIT licence.	Free Free to download and run; the repository does not declare a standard license.
Windows, Linux, Command line	Self-hosted, Command line
Runs fully offline with a built-in OCR engine Screenshot, batch image and PDF recognition	Parses tables, formulas and scanned pages with OCR Accepts PDF, Office, OpenDocument, EPUB, HTML and more
No macOS build Documentation is primarily in Chinese, with English and Japanese READMEs	Setup and model downloads suit technical users Higher-quality parsing tiers need more compute
Downloadable app	Downloadable app, Self-hosted
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.