Firefox Add-on: https://addons.mozilla.org/en-US/firefox/addon/tree-style-tab/
For getting rid of the horizontal tab bar to save vertical space and reduce confusion, edit userChrome.css
to add this:
/* Hide tab bar in FF Quantum */
@-moz-document url("chrome://browser/content/browser.xul") {
#TabsToolbar {
visibility: collapse !important;
margin-bottom: 21px !important;
}
#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
visibility: collapse !important;
}
}
To find your userChrome.css
file:
- Go to
Help
->Troubleshooting Information
(this should openabout:support
in a new tab) - Find the entry "Profile folder" and copy the path or click on "Show"
- Open the
chrome
sub-folder or create it if missing - Open the file
userChrome.css
or create it if missing
Credits: https://news.ycombinator.com/item?id=18836967
- use
F1
to show/hide the tree-style sidebar- the shortcut can be configured in the extension's preferences, I've set mine to Cmd+Shift+O
- add
%
in front of queries in the address bar (Awesome Bar) to search your tabs, see help page