Imagine logging into a work email, personal social accounts, shopping sites, and banking portals all within the same browser window without any of them bleeding into each other.
No more accidental logins mixing personal recommendations with professional ones, and far fewer targeted ads following users from one activity to the next.
With the release of Firefox 153, Mozilla has made this level of control a built-in part of the browser through its new native Containers feature.
For nearly a decade, many Firefox users relied on the popular Multi-Account Containers extension to achieve this separation.
Now that functionality lives directly in Firefox itself.
Containers isolate cookies, site data, and tracking between different tabs, so activity in one container stays invisible to the others. This built-in approach simplifies the experience while preserving the core benefits that made the extension so valuable.
Four ready-to-use containers come preconfigured: Personal, Work, Banking, and Shopping.
Each one carries its own distinct color and icon, making it simple to tell them apart at a glance.
Creating additional containers is straightforward, and users can customize them with their own names, colors, and icons to match.
And to open tabs in specific containers, users can simply right-click the new tab button and choose a container, or right-click an existing tab to reopen it in one.
Container tabs display their color coding and icon right in the address bar for instant recognition.
If users use containers frequently, they can even set the menu to appear automatically every time they open a new tab, reducing friction even further.
This native implementation represents a significant step forward in giving users more control over their browsing privacy and account management.
By keeping different contexts isolated, Containers help reduce cross-site tracking and make juggling multiple accounts on the same service much smoother.
Long-time extension users can continue using the add-on alongside the built-in version while Mozilla continues to expand and refine the native experience.
