Sometimes you may want to mute all sound coming from the Firefox web browser. Maybe you are currently on a page with a Flash animation that is making irritating sounds, or you are about to answer a phone call and need to mute the sounds in the browser because of that.

Or maybe you are about to open Firefox in a public location and want to make sure that the sound is muted to avoid irritating other people around you.

Firefox users have a few options here that may depend on the operating system they use. Windows 7 users for instance could use the sound mixer to mute the Firefox web browser this way. While that works as well, it is not really that comfortable, especially if you need to mute and unmute the browser regularly.

New versions of Firefox comes with other add-ons to mute all sites open in Firefox, but if you just want to mute them at times, it is not really helpful. You may also configure Firefox to mute all sites by default by opening about:preferences#privacy in the browser and making sure that "block websites from automatically playing sound" is enabled.

Update: Muter is no longer available; it is a legacy extension that does not work anymore in Firefox 57 or newer because Mozilla switched to a new extensions system. We suggest you use Auto Mute Plus instead which provides similar functionality and is compatible with recent Firefox versions. End

Mute Tabs in Firefox

Enter Muter for the Firefox browser. Muter is a browser extension that adds a single button to the browser's status bar. A left-click on the button mutes all sound in the browser instantly, another click turns the sound back on.

A green status bar icon indicates that sound is currently enabled, a black one that it has been disabled in the browser.

These icons and a few other settings can be changed in the add-on's preferences.

Here it is possible to switch to a menu-less button (the default button links to the preferences and different themes offered by the add-on), to switch the default buttons which can be handy if custom themes are used n the browser, and to change the hotkey.

You can also mute or unmute Firefox with the hotkey Ctrl-Alt-M. This may be useful if you prefer not to have the add-on icon displayed in the browser's status bar.

The only other option available in the settings is a switch to restore the mute status when the browser restarts. Sounds are automatically enabled on restart if that option is not checked in the preferences.

Firefox users can download and install Muter from the official Firefox add-ons repository.

Summary Author Rating 5 based on 1 votes Software Name Muter Software Category Browser

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