Compare software

CopyTranslatorSTranslate
Free

Free and open source under GPL v2.

 Free

Free and open source under the MIT licence; some translation services may need their own…

Windows Windows
  • Translates automatically on copy
  • Fixes broken line breaks from PDF text
  • Compares results from many translation services in one query
  • Built-in OCR that works without a network connection
  • Project website is mainly in Chinese
  • Translation quality depends on the online engines it uses
  • Windows only
  • Website and documentation are mainly in Chinese
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: MIT
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 2, 2026

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