this post was submitted on 26 Jan 2026
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Could you share your use case for this? The odd time I've benefited from viewing multiple tabs at once, I just split them to two windows and resize them. I'm guessing this is just faster?
Something I wanted this for a while ago: quickly and easily displaying two tabs during a single window share on a zoom call, if displaying two things to compare or when running a planning meeting.
I'm not a Firefox user but I use split tabs often in Vivaldi when I need to manually enter data from one system into another system. Splitting the tabs instead of dragging one into a separate window keeps all the tabs contained in the same tab workspace. I have several workspaces and I don't want to accidentally lose an important tab because I dragged it out into its own window and forgot to drag it back.
edit: typo
This! And, often it means less "chrome", (eg title bars or side panels or whatever) getting in the way.
It's not a use all the time thing, but instead a tool that is just really handy.
Network admin stuff when you need to monitor a bunch of devices, security feeds across cameras (especially when they don't combine into a single PVR system) and more.
Two separate windows means the top bar is wrecked on both screens. Being able to split the pages inside the same window means you keep the top bar functional. It also handles tab groups and hotkeys better.
I have had people report it as a bug for a web application on Edge. I too don't see a use for it still.