Compare software

CopyTranslatorLinguist
Free

Free and open source under GPL v2.

 Free

Free and open source.

Windows Browser extension
  • Translates automatically on copy
  • Fixes broken line breaks from PDF text
  • Offline translation through the bundled Bergamot engine
  • Translates full pages, selections and Netflix subtitles
  • Project website is mainly in Chinese
  • Translation quality depends on the online engines it uses
  • Offline translation quality and language coverage may trail large cloud services
  • Smaller project with a modest contributor base
Downloadable app Browser extension
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 Works offline

Checked October 2, 2026

Checked September 24, 2026

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