Enable Split View in Firefox

Firefox has introduced an experimental Split View feature that allows you to view two tabs side-by-side in the same window.

Finally!

Step-by-Step Instructions

1. Open a new tab and navigate to about:config.
2. Click Accept the Risk and Continue if prompted.
3. In the search bar at the top, copy and paste the following:

browser.tabs.splitView.enabled

4. Double-click the result (or click the toggle button) to change its value from false to true.
5. No restart is required; the feature is active immediately.

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How to Use Split View

Once enabled, you can activate the view using one of two methods:

Method A: Splitting Two Existing Tabs

1. Select multiple tabs by holding down Ctrl and clicking the tabs you want to pair.¹
2. Right-click on one of the selected tabs.
3. Select the Split Tabs option from the dropdown menu.

Method B: Splitting from a Single Tab

1. Right-click any active tab.
2. Select the Split Tab option from the menu.
3. Firefox will create a new tab next to the one selected.

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Tips

• You can Ctrl + Tab or Ctrl + Shift + Tab through like normal tabs in order.
• To exit split view, right-click the tab and select the Unsplit Tab option.
• You can resize the split by clicking and dragging the divider between the two pages.

Footnotes

1. To select a range of tabs, use Shift instead of Ctrl. ↩