A CSS override that pairs well with the Tree Style Tab extension (which enables managing tabs in a side panel). It is basically an enhanced title bar for Firefox.
It removes tabs from the toolbar but keeps the current tab's title and favicon, as well as the "List all tabs" button, which can be used to manage tabs until you feel the need to open the side panel.
It has been tested with (Ubuntu 22):
I may continue to maintain it.
-
Navigate to
about:config
and settoolkit.legacyUserProfileCustomizations.stylesheets
totrue
; -
Navigate to
about:support
and locate yourProfile Directory
; -
Create a
chrome
directory there if does not already exist, and placehide-tabs.css
anduserChrome.css
in that directory; -
Restart Firefox.