This object contains a boolean indicating whether the tab is muted, and the reason for the last state change.


Values of this type are objects. They contain the following properties:

string. The ID of the extension that last changed the muted state. Not set if an extension was not the reason the muted state last changed.
boolean. Whether the tab is currently muted. Equivalent to whether the muted audio indicator is showing.
tabs.MutedInfoReason. The reason the tab was muted or unmuted. Not set if the tab's muted state has never been changed.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxOperaFirefox for Android
MutedInfoChrome Full support YesEdge Full support 79Firefox Full support 47Opera Full support YesFirefox Android No support No


Full support  
Full support
No support  
No support

This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.