Advanced and experimental features

Learn tips beyond the basics and try features before they're released to the public.

Multi-Account Containers

Multi-Account Containers is a Firefox WebExtension that lets you separate your work and personal browsing.

Firefox Sync gives you the ability to sync your preferences across all your Firefox Desktop devices. Learn more.

Pocket for Firefox is used to save a variety of content to one place with the click of a button.

How to opt out of studies

The Firefox Election bundle comes with two add-ons to help you stay savvy this election season.

Learn more about this feature of SHIELD studies.

Learn about Firefox Nightly's error collection policy.

Firefox 66 introduced DOM events changes for compatibility with legacy content. Learn more.

Fingerprinting Protection is an experimental feature that is under heavy development in Firefox.