Pretty good extension, but doesn't work with all websites.

I always have to re-login into Twitter when I closed FF and WhatsApp is always opened in the default container.

Отличное приложение. Еще бы возможность чистить куки внутри одного контейнера.
Please add cookies clearing for each Container individually

Used to play around with Chrome profiles, but this simplifies things so much.

Addon So great!

Really good concept, I miss 2 things

Sync with my Mozilla account so I dont have to set it up on each device (Disable and reenable also seems to wipe settings)
Ability to like the Facebook container, leave the facebook container if I go to another site that is not in that containers rule

Very useful

There should be an option to open external links in the default container without having to right-click + sub-menu

Good for containing tracking sites, as well as for logging in with multiple accounts on the same domain within separate tabs of the same browser window.

This helps incredibly with keeping my work and personal accounts separate so I don't have to sign in and out constantly or use different browsers.

they changed it so that facebook automatically opens up in a designated facebook container & i can no longer use the addon to be logged into two facebook accounts. it seems there's no way to bypass this

Love the functionality- being able to separate different sites into different containers is a great security and privacy feature.

It works great!

Protip: you usually want to middle-click the new tab "+" button. Left-clicking it will use your default container. Middle-clicking it will open a new tab in the same container as your current tab.

Awesome!

It's great to have multiple cookie sessions so neatly integrated into the browser. One identity per color makes it easy to identify the container for each tab. Highly recommended.

Awesome!

very good

This extension offers all the same account separation benefits as chrome users, but in an even better package. You know only have to sign into your password manager once, you get one history, and one set of bookmarks.

For me this is perfect. All of my work, school and personal accounts can be separated into containers and I can also have a special container for each social network I use. This extension is so useful it should come pre-installed.