Firefox is Adding Split View for Tabs, Here’s How to Enable It

[harlan4096]

If you run Firefox 146 (the latest stable release) you can enable Split View right now.

However, if you opt-in to test this experimental feature do keep in mind that it is not finished: you can’t grouse if it bugs out, doesn’t work or crashes during a critical browser session.

To enable it:

• Open Firefox (version 146.0 or later)
  
• Enter about:config in the address bar
  
• Agree to the cautionary warning
  
• Search for browser.tabs.splitView.enabled
  
• Double-click the ‘false‘ value to set it to ‘true‘
  

That’s it; no browser restart is needed.

To create a split tab right-click on any tab and choose “Add Split View”:

Like tiled windows, you can resize tab splits in Firefox using a draggable handle. Most websites adapt to mobile which helps with narrow sections.

Firefox is Adding Split View for Tabs, Here's How to Enable It