Dark YouTube theme - apply Black Youtube & Facebook Skin. Dark YouTube theme protects eyes by changing Youtube & FB colors to black
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
Move your tabs to the side of your browser window.
An add-on that allows colouring Firefox in a Vivaldi style fashion.
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Latest builds on Github! AMO is dead.
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions. Beta builds on versions page!
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Schakel Youtube in de donkere modus. De donkere modus helpt de apparaten batterijen te besparen en vermindert de druk op uw ogen.
Open With PDF Reader addon send PDF links directly to a PDF viewer like Adobe Acrobat Reader. Compatible with new Firefox Quantum 57
让你瞬间进入沉浸式阅读的扩展,Chrome 好评率 99% 的扩展现已来到了 Firefox!
Gives a possibility to create custom toolbarbuttons...