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TranslateLocally vs Speech Note: catalog facts
TranslateLocally	Speech Note
Free Free for personal use; commercial use of the Chrome extension needs a licence.	Free Free and open source under the Mozilla Public License 2.0.
Browser extension	Linux
Translation runs locally for privacy Works without sending text to a server	Speech recognition, speech synthesis and translation all run offline Wide choice of engines, including Whisper, Piper and Kokoro
Needs a CPU with SSE4.1 support Fewer language pairs than large online translators	Linux and Sailfish OS only Models must be downloaded separately and can be large
Downloadable app, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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