Site settings

When Firefox is actively blocking a video with sound, a special icon will appear in the address bar. Click the in the address bar to open the Control Center where you can toggle the option to block or allow Autoplay sound. This option will always appear in the Control Center.

Add sites to your list to autoplay media

1. Click the menu button and choose Options.Preferences.
2. Select the Privacy & Security panel.
3. Scroll down to the Permissions section.
4. Find the Block websites from automatically playing setting and click Exceptions… to manage your list.

Always allow or disallow media autoplay

To always allow or disallow autoplay for all media with sound, follow these steps:

1. Click the menu button and choose Options.Preferences.
2. Select the Privacy & Security panel.
3. Scroll down to the Permissions section.
4. Use the Block websites from automatically playing sound setting to change your preference. Your selection will apply to all media for all websites.

Notification prompts

When a website tries to play media automatically, Firefox will alert you by showing a message. Choose Allow or Don’t Allow to let Firefox remember the permission setting for this website. If you uncheck Remember this decision, Firefox will remember the setting for this website in the current tab only.

Site settings

Click the in the address bar to open the Control Center, where you can clear the permission so that Firefox no longer remembers the setting.

Add sites to your list to autoplay media

1. Click the menu button and choose Options.Preferences.
2. Select the Privacy & Security panel.
3. Scroll down to the Permissions section.
4. Find For websites that autoplay sound and click Exceptions… to manage your list.

Always allow or disallow media autoplay

To always allow or disallow autoplay for all media with sound, follow these steps:

1. Click the menu button and choose Options.Preferences.
2. Select the Privacy & Security panel.
3. Scroll down to the Permissions section.
4. Next to For websites that autoplay sound, click the drop-down menu to choose Allow Autoplay or Don’t Autoplay. Your selection will apply to all media for all websites.