Fact · Dictation in your apps
MDN says that on some browsers, including Chrome, speech recognition on a web page uses a server-based engine, and the audio is sent to a web service.
Checked against its source on October 17, 2026
In the source's own words
“On some browsers, like Chrome, using Speech Recognition on a web page involves a server-based recognition engine. Your audio is sent to a web service for recognition processing, so it won't work offline.”
SpeechRecognition interface (Web Speech API), MDN Web Docs (Mozilla), 2026, Note under the introduction.
Open the original- What it measures
- MDN's reference page for the SpeechRecognition interface, read on 2026-10-17.
- What it does not show
- The note names Chrome as an example. It does not say which company runs the service or how long audio is kept.
Source
Cited on
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