You owe a lot to your tabs in Firefox. Without them you would have a desktop filled with clutter. So why not do something nice for your tabs and give them a few tweaks?
Coloring Your Tabs
ChromaTabs – A neat addition that will tints browser tabs with a color specific to the website loaded.
Aging Tabs – The tabs will change colors with this extension depending on how long it has been since you last looked at them.
ColorfulTabs – Add some flavor (and some colors) to all of your tabs to help tell one from the other.
Tab Interface Tweaks
Open Image In New Tab – Open that image your looking at in a new tab, to get a closer look.
Downloads in Tab – Opens your downloads in a tab instead of a popup window.
Tab Mix Plus – An extension with tons of tab tweaking options and setting to play with.
New Tab Button on Tab Bar – If I have to tell you what this extension does you don’t deserve to use Firefox.
Hide Tab Bar – If none of these tweaks have been for you – how about just hiding the tab toolbar all together?
Undo Closed Tabs Button – Tab tool that will allows you to undo closed tabs via a toolbar button, right-click context menu or even a shortcut (Alt+Z).
Duplicate Tab – Make a copy of that open tab with a quick to access toolbar button.
Favicons and Tabs
HashColouredTabs+ – Improves tab identification by providing a small colored icon for any site which doesn’t have its own ‘site icon’ (aka favicon).
FaviconizeTab – This extension adds a new “FaviconizeTab” option to the context menu of the tab. When it is clicked, The width of the tab becomes small up to the size of favicon.
View Your Tabs in a New Way
Viamatic foXpose – Another alternative way to view all your tabs. Click on the icon in the status bar to view all the browser windows with a single click.
Ctrl Tab Preview – Another extension that changes the way you browse through your open tabs in Firefox.
Tab Scope – Shows a popup on tabs and enables you to preview and navigate tab contents through popup.
Firefox Showcase – Manage your Firefox tabs and windows by showing them as thumbnails in a single window, tab or sidebar.
FishEyeTabs – New view for tabs. User can zoom tab labels by moving the mouse cursor over them.
Misc Tab Tools and Tips
TabRenamizer – A tab tweak that lets you rename your tabs to anything you want or need. Perfect for hiding things!
PermaTabs – Make a an open tab in a series permanent so you don’t accidentally close something important.
Tab URL Copier – Copies the URLs of all open tabs. Puts ‘Copy Tab URLs’ item in right click menu of tabs and Edit main menu.