this post was submitted on 17 Jan 2025
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I know this is old news by now, but I was not sure how to activate vertical tabs on all of my browsers. It certainly is not obvious, so I wanted to include the instructions here in case anyone else wants to try it out.

Type about:config into the address bar of Firefox. You'll be greeted with a warning that you are accessing advanced settings - click "Accept the Risk and Continue." Search for the boolean preference sidebar.verticalTabs and set to true. That's it! Enjoy your vertical Tabs!

Edit: You may also need to set sidebar.revamp to true if it is not already/automatically set.

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[–] SirQuackTheDuck@lemmy.world 2 points 15 hours ago (2 children)

On my 1080p display it's taking up too much space, but on an ultrawide it's perfect use of the additional real estate.

[–] gedaliyah@lemmy.world 1 points 3 hours ago

I usually keep it in the "icon" view which is pretty space efficient. When you activate the vertical tabs, it also generates a toggle at the top of the window that lets you expand the tabs. I find it is better on smaller screens than the standard horizontal tabs personally.

[–] interdimensionalmeme@lemmy.ml 1 points 15 hours ago

I have four 40" cheap 4k tvs, I split them in roughly 6 sections