Firefox - Enable Tab preview

The tab preview mode can be accessed with the CTRL + TAB key combo:

This feature is disabled by default, to activate it:
  • Open Firefox
  • Type "about:config" in the address bar and press Enter
  • Look for the following entry:
    • browser.ctrlTab.previews
  • Toggle its value to "True".
Published by deri58. Latest update on June 4, 2012 at 11:03 AM by deri58.
This document, titled "Firefox - Enable Tab preview," is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM (
Firefox-Prevent webpages from resizing your browsing window
How To Start Firefox in Private Mode by Default