Firefox blocks all media with sound from playing automatically, by default. If you want a website to automatically play media or make other changes to your autoplay settings, you can use one of the methods below.
Table of Contents
Always allow or block media autoplay
To always allow or block autoplay for all media with sound:
- Click the menu button
and select . .
- Select the
(or enter autoplay in the Find in OptionsPreferences search box).- Note: If media autoplays on websites by default, even though the setting is check-marked, try clearing the check box and then check-mark it again. is the default setting. When check-marked, media autoplay is blocked by default.
- Clear the check box to always allow autoplay by default.
panel and go down to the Permissions section -
Your selection will apply to all media for all websites, except for autoplay site exceptions.
To always allow or block autoplay for all media with audio or video:
- Click the menu button
and select . .
- Select the
(or enter autoplay in the Find in OptionsPreferences search box). panel and go down to the Permissions section -
- Click the button next to Autoplay.
- Use the Default for all websites drop-down menu to select how you want Firefox to handle media autoplay for all websites.
- The default setting will prevent autoplay for all media with sound.
- The setting will prevent autoplay for all media, including video, even though audio is muted.
- The setting will allow all media to autoplay.
-
- After you have made your selection, click .
The setting you select will apply to all media for all websites, except for specific autoplay site settings.
Site settings
When Firefox is actively blocking media with sound on a website, you'll see a special icon
in the address bar. Click the
in the address bar to open the Control Center, where you can change the Autoplay sound setting. This option will always appear in the Control Center.Click that icon to open the Site Information drop-down panel, where you can change the Autoplay setting for that website.


Manage autoplay site Exceptions
You can add or remove individual websites from your autoplay Exceptions list. To manage the list of sites you have set to block or allow autoplay:
- Click the menu button
and select . .
- Select the
(or enter autoplay in the Find in OptionsPreferences search box). panel and go down to the Permissions section -
- Find the Block websites from automatically playing sound setting and click
-
Autoplay site settings list
Your autoplay settings list will show any website permissions you have set that do not follow your default settings. To view or manage autoplay site settings:
- Click the menu button
and select . .
- Select the
(or enter autoplay in the Find in OptionsPreferences search box). panel and go down to the Permissions section -
- Find Autoplay and click the
-
- The Settings - Autoplay list will open.
button.
-
You can use the Search field to find a specific site. You can also click the Website or Status headers to change the list order, ascending or descending.
To add a website with a different autoplay setting, you must visit the website and use the Site Information panel, as described on Site settings above.
You can use the Status drop-down menu next to a website to change its autoplay setting. (Note: Changing the status to your default setting, the website will be removed from the list after you save the changes.)
To restore the default permissions for individual websites, either change their status to your default settings or remove them from this list.
Click the
button to save your changes.