What is this preview pattern for vertical tabs called?

1. What browser has vertical tabs?
2. What are vertical tabs in edge?
3. How to do vertical tabs in Firefox?

What browser has vertical tabs?

Microsoft has added vertical tabs as a native feature to its Edge browser, so you'll need no extensions if you use this app to surf the web.

What are vertical tabs in edge?

One of Microsoft Edge's unique native features is vertical tabs, which exchanges your row of tabs along the top of your window for a set of icons that run down its left side instead. In fact, we highlighted vertical tabs as one of the five ways Edge beats Google Chrome right here on PCWorld.

How to do vertical tabs in Firefox?

Press the Shift + F1 hotkey to open and close the vertical sidebar. Pressing the Shift + F2 hotkey will open your last active page tab. To check out Tab Center Reborn's options, click the Open settings button at the top right of the vertical sidebar.