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 Election Bundle The Firefox Election bundle comes with two add-ons to help you stay savvy this election season.
• About Studies How to opt out of studies
• About Firefox Pioneer Learn more about this feature of SHIELD studies.
• Firefox Nightly Error Collection Learn about Firefox Nightly's error collection policy.
• Using a dedicated profile for Firefox Nightly How to create dedicated profiles for Firefox and Nightly to avoid profile corruption.
• Test Pilot Test Pilot was a program to allow early adopter users to test experimental new Firefox features.