Enables web developers to incorporate speech synthesis into their web pages. Uses whatever the platform provides for synthesis. Coming in M71, synthesis will have a few small changes. 1. Exposing the following existing interfaces: SpeechSynthesis, SpeechSynthesisVoice, SpeechSynthesisEvent 2. Adding a constructor to SpeechSynthesisEvent 3. Adding and exposing a new interface, SpeechSynthesisErrorEvent.


Specification link

Specification being incubated in a Community Group

Status in Chromium


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.



Demo: simpl.info/tts

Last updated on 2021-05-05