Compare software

PLaMo TranslateCopyTranslator
Freemium

Free to start; the research does not list paid plan prices.

 Free

Free and open source under GPL v2.

macOS, Web, Browser extension Windows
  • Translation quality tuned for Japanese output
  • Translates whole Office and PDF files with layout kept
  • Translates automatically on copy
  • Fixes broken line breaks from PDF text
  • Interface and documentation are mainly in Japanese
  • Cloud service, so text is sent to the provider
  • Project website is mainly in Chinese
  • Translation quality depends on the online engines it uses
Downloadable app, Web application, Browser extension Downloadable app
Closed source Open source
License not stated License: GPL-2.0
Not stated if an account is needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked October 2, 2026

Checked October 2, 2026

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