The extension was first released in 2011 as an experiment in providing browsers with a better sound management experience given limitations imposed by Chrome and Flash. MuteTab is a Chrome extension that gives you enhanced control over your browser's sound. June 2016 update: The latest release (MuteTab 3.0) takes advantage of new extension access to Chrome's audio indicators and muting ability while adding new features such as mute by default and blacklists.