How to Enable Tab Groups in Firefox

It is now possible to enable tab grouping in Mozilla Firefox. Starting in version 133, the required piece of code is available in the stable browser version. Its competitors, including Chrome, Edge, and Vivaldi, are offering similar features for quite a long time. So Firefox fills the gap.

In a 20 years celebration post, Laura Chambers, Mozilla Corporation's CEO, mentioned several features that are now have high priority for the company. Those include including a built-in AI assistant, vertical tabs, and  tab grouping, among of few others. You can now easily enable the latter.

The good news here is that you don't need to install the Nightly or any other version of Firefox. Starting in Firefox 133, all you need to do is to enable a special option on the about:config page.

Earlier, users of the Firefox Nightly browser were allowed to experiment with a new tab grouping feature. At a glance, it is pretty similar to the one what is found in Chromium-based browsers. It allows users to organize their open tabs by creating and managing tab groups.

Specially, you can assign a unique name and color to each group, making it easier to identify and distinguish between them. The color-coding and naming system enhance the visual organization of tabs, make navigation more convenient. Finally, the groups save the tab row space for users who work with a huge number of sites simultaneously.

To interact with these groups, you can click on a group title to either collapse or expand it. When the browser is restarted with the option to forget the last session, the tab groups are preserved and carried over to the new session. If you are doing some research or working on complex projects, this will save your  time and maintain your workflow.

Enabling tab groups in Mozilla Firefox is very easy as long as you have Firefox 133 or later installed. Just follow these simple steps.

Enable Tab Groups in Firefox

To turn on the tab grouping feature in the Mozilla Firefox browser, do the following.

1. Launch the browser, and type about:config in the address bar, then press Enter.
2. Click on the button that you accept the risk.
3. In the search box on the Advanced Preferences page, type browser.tabs.groups.
4. Finally, in the list of values double-click the browser.tabs.groups.enable row to set it to true, or use the double-arrow toggle button on the right for the same.

   

5. Finally, close Firefox and launch it again. You now have the tab grouping feature enabled.

Here's a brief overview of tab grouping in the Firefox browser.

Working with groups of tabs in Mozilla Firefox

• To create a new group of tabs, right-click on a tab in the tab row, and select Add tab to new group if it is your first group. Otherwise, select Add tab to group > New group from the context menu.

  

• To add more tabs to a group, right-click the tabs you want to add, and select Add tab to group > Your tab group <-- select here the desired group from the list. Dragging a tab to the group will also do the trick.

  

• To remove a tab from a group, double-click the group if collapsed, then right-click the tab you want to remove, and select Remove from group from the context menu.
• To collapse or expand a tab group, single-click its name in the tab row.
• To customize a group, change its title or color, or ungroup its websites, right-click the tab group title.

  

In my tests, the tab grouping feature in Firefox works pretty reliable. However, there is a reason for the feature to remain hidden in the stable branch of the app. Perhaps there are some known issues or rough surfaces the developers want to polish before the public roll-out. But it is obvious that the wait will not be long.

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