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CopyTranslatorEasydict
Free

Free and open source under GPL v2.

 Free

Free to download; some translation services such as OpenAI or DeepL may need your own API…

Windows macOS
  • Translates automatically on copy
  • Fixes broken line breaks from PDF text
  • Compares results from many dictionary and translation services side by side
  • Offline OCR for translating text from images
  • Project website is mainly in Chinese
  • Translation quality depends on the online engines it uses
  • macOS only
  • Much of the documentation and interface text is in Chinese
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 1, 2026

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