* [[Safari (web browser)|Safari]] 614.1 and up [PARTIAL<ref>{{Cite web|url=https://developer.mozilla.org/en-US/docs/Web/API/Web_Speech_API|title=Web speechSpeech synthesisAPI only– Web APIs | noMDN|access-date=May 20, recognition]2024}}</ref>
* [[Google Chrome]] 25 and up
* [[Firefox]] Desktop 44.0 and up (Linux and Mac) / 45.0 and up (Windows) [PARTIAL: speech synthesis only; no recognition; currentlyenabled requiresby "media.webspeech.recognition.enable"default about:configsince option to be manually changed to "true"49.0]<ref>{{Cite web|url=https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/4449|title=Firefox 4449 for developers – Mozilla | MDN|access-date=March 9, 2016}}</ref><ref>{{Cite web|url=https://www.mozilla.org/en-US/firefox/45.0/releasenotes/|title=Firefox — Notes (45.0) — Mozilla|access-date=MarchMay 920, 20162024}}</ref><ref>{{Cite web|url=https://developer.mozilla.org/en-US/docs/Web/API/Web_Speech_API|title=Web Speech API – Web APIs | MDN|access-date=MarchMay 920, 20162024}}</ref>