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Umi-OCR vs olmOCR: catalog facts
Umi-OCRolmOCR
Free

Free and open source under the MIT licence.

Free

Free and open source under the Apache 2.0 licence; you supply the GPU.

Windows, Linux, Command line Linux, Command line
  • Runs fully offline with a built-in OCR engine
  • Screenshot, batch image and PDF recognition
  • Handles tables, equations and handwriting
  • Keeps reading order in complex layouts
  • No macOS build
  • Documentation is primarily in Chinese, with English and Japanese READMEs
  • Requires a capable GPU
  • Command-line pipeline with no desktop interface
Downloadable app Downloadable app
Open source Open source
License: MIT License: Apache-2.0
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 24, 2026

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