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Most Recent Tab - Keyboard shortcut for last tab

Most Recent Tab is about quickly toggling back to the last tab you were on using keyboard shortcut or toolbar button click. First developed in 2011 and updated to the new WebExtension API in 2017, MRT has been making Firefox slightly more convenient for over 10 years.

Handy when you're going through a list of links that keep opening new tabs and you need to jump back to the main tab, or if you're comparing things between two tabs, or any time you need to toggle between a pair of tabs.

The default shortcut is set to Control-shift-1 on Windows and Command-shift-1 on Mac.

There are two ways to set your preferred shortcut. See the screenshots for more information.


New in version 3.1, you can optionally set shortcuts to jump to the 2nd or 3rd most recent tabs. Enable them by picking a shortcut using the Easy Method above. Version 3.2 fixes a small regression in 3.1.

Source code is available on Github, under the Mozilla Public License 2.0.

Install
Explanation and screenshot including toolbar button Preferred way to set a keyboard shortcut: in the Add-ons Manager click the gear, then Manage Extension Shortcuts. Click the box for Most Recent Tab and press your desired shortcut. Done! Old way to set a keyboard shortcut: open Preferences in Most Recent Tab in the Add-ons Manager. Now that Firefox has the Manage Extension Shortcuts panel, do it that way instead.