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STranslate vs DeepL: catalog facts
STranslate	DeepL
Free Free and open source under the MIT licence; some translation services may need their own…	Freemium Free translator and free API key, with paid plans for more usage and features.
Windows	Windows, macOS, Android, iOS, Web, Browser extension
Compares results from many translation services in one query Built-in OCR that works without a network connection	Translates whole documents as well as text Writing assistant and live voice translation alongside the translator
Windows only Website and documentation are mainly in Chinese	Text is processed on DeepL's servers Many features and higher limits need a paid plan
Downloadable app	Downloadable app, Web application, Browser extension
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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