Enable Vertical Tabs in Firefox: Step-by-Step Guide

Here's how to enable vertical tabs and sidebar in Firefox Firefox has finally jumped on the vertical tabs bandwagon, introducing a feature that’s been a hit with power users for years. If you’re tired of scrolling through endless horizontal tabs, here’s how to give vertical tabs a spin in Firefox Nightly. Why Vertical Tabs? Vertical tabs have been a mainstay in browsers like Microsoft Edge and Vivaldi for a while now, offering a more organized and efficient way to manage multiple tabs. Even Chrome users have been using unofficial extensions to get in on the action. Enabling Vertical Tabs in Firefox Nightly Keep in mind that this feature is still in its experimental phase, so you'll need to be using Firefox Nightly: Update: Make sure you have the latest version of Firefox Nightly (version 131 or later). Go to Firefox Labs: Head over to Settings > Firefox Labs. Activate Experiments: Enable both the “Sidebar” and “Vertical tabs” experiments. (It’s crucial to enable both!). Adding th…