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STranslate vs NextAI Translator: catalog facts
STranslate	NextAI Translator
Free Free and open source under the MIT licence; some translation services may need their own…	Free Free and open source; you pay your chosen AI provider for API usage.
Windows	Windows, macOS, Linux, Browser extension
Compares results from many translation services in one query Built-in OCR that works without a network connection	Translate selected text directly in the browser Desktop app for Windows, macOS and Linux
Windows only Website and documentation are mainly in Chinese	Needs an API key and internet connection for an AI provider Renamed from OpenAI Translator, so older guides use the old name
Downloadable app	Downloadable app, Browser extension
Open source	Open source
License: MIT	License: AGPL-3.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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