Firefox settings

Allow or block media autoplay in Firefox

Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.

Last updated: 05/11/2024

Learn how Firefox handles files with different content types and how to change what Firefox does when you click on or download a file.

Last updated: 03/07/2024

How to disable the Enterprise Roots preference to fix TLS connection errors caused by antivirus software, without compromising security.

Last updated: 06/05/2022

If Firefox was open when Windows shut down, Firefox may reopen automatically the next time you start Windows. You can disable this feature.

Last updated: 06/06/2022

Learn how to add an exception for Pocket in Firefox, to prevent being prompted to sign in to Pocket when saving to the site.

Last updated: 10/25/2023

Learn more about this Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.

Last updated: 3 weeks, 1 day ago

Import data from your Safari browser into Firefox. You must enable Full Disk Access on macOS version 10.14 (Mojave).

Last updated: 07/26/2023

When you open Firefox after reaching a certain user milestone, you’re shown a Firefox Browser welcome page in a new tab. Learn more.

Last updated: 11/02/2022