Mute sound in Firefox tabs

Firefox lets you identify noisy tabs and mute them in a single click. Silence tabs quickly without affecting your other tabs or windows.

Mute or unmute tabs

When sound starts playing while you're browing, Firefox lets you know where it's coming from by displaying a speaker button on the noisy tab. Click the speaker to turn the sound off or on for that tab alone.

  1. speaker tab 42 mute tab 57
Keyboard shortcut: To mute or unmute a tab without a mouse, you can also press Ctrl + M while on the tab.
Note: A speaker button to mute sound will be missing on tabs with Flash content, if Flash Player version 20.0.0.235 is installed. (You should still see a speaker button on tabs for sites that use a different media player, such as YouTube's HTML5 Player.) Please update Flash to resolve the issue.
Note: A speaker button to mute sound will be missing on tabs with Flash content, since the Flash Player version 11 offered by Adobe doesn't include audio notification. You should still see a speaker button on tabs for sites that use a different media player, such as YouTube's HTML5 Player.

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