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Hide Tabbar Requires Restart

Hide the tabbar by just pressing a key.

Rated 4 out of 5 stars (83)
16,530 users

Small Nav Bar Requires Restart

Small Nav Bar will resize the navigation bar, so you can gain a little extra space. Mini nav bar. Compact back/forward button.

Rated 4 out of 5 stars (3)
1,197 users

Youtube Dark Mode Compatible with Firefox 57+

Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. This dark mode is supported by https://www.emojionline.org

Rated 5 out of 5 stars (71)
1,632 users

kiosk-costaisa Requires Restart

RKiosk (Real Kiosk), fullscreen kiosk mode: all menus, keys etc. disabled
Costaisa variant.

Rated 3 out of 5 stars (9)
3,346 users

Search Helper - Enhance Google Requires Restart

Open Google search results in multiple tabs. Access your last search results from a toolbar button. Get similar sites for any Google search result.

Rated 5 out of 5 stars (6)
17,897 users

Add URL to Window Title (Advanced KeePass Usage)

Add the full URL or hostname of the current web page to the window title. Designed to help other applications identify the current window. Helps KeePass (http://www.keepass.info) to identify the current URL for auto-type.

Rated 5 out of 5 stars (7)
4,161 users

Dark Theme for Google™ Compatible with Firefox 57+

A highly customizable dark theme for Google products (search, images, translate, and contacts)

Rated 5 out of 5 stars (7)
1,317 users

Rebrand Requires Restart

This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.

Rated 4 out of 5 stars (13)
7,269 users

Browsizer Requires Restart

Move and Resize Browser Window.

Rated 5 out of 5 stars (10)
4,787 users

Menu Wizard Requires Restart Featured

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (187)
124,678 users

Disable Hello, Pocket & Reader+

Turn off Pocket, Reader, Hello and WebRTC bloatware - keep browser fast and clean

Rated 5 out of 5 stars (31)
11,094 users

Image-Show-Hide Requires Restart

simply turn on|off images on all web-pages and (optional) autoreload current...

Rated 4 out of 5 stars (32)
12,195 users

Dark Mode (WebExtension) Compatible with Firefox 57+

A global dark theme for the web

Rated 5 out of 5 stars (24)
4,679 users

NAV filter Compatible with Firefox 57+

This addon makes the "Incoming messages" list of ugyfelkapu.magyarorszag.hu more readable by providing background coloring.

Rated 5 out of 5 stars (3)
1,485 users

UI Eraser

Hide Firefox User Interface.

Rated 5 out of 5 stars (16)
5,237 users

kioskfox Requires Restart

Locks Firefox down so it can be used as a public kiosk. Removal instructions are in the full description.

Rated 4 out of 5 stars (6)
2,486 users

Mozilla Labs: Prospector - OneLiner

Combine the navigation bar and tab bar into one line with a button for search.

Rated 4 out of 5 stars (71)
1,060 users

Default Responsive Design View

This add-on starts your browser in responsive design view by default.

Rated 5 out of 5 stars (2)
1,930 users

Literal - PDF Reader Compatible with Firefox 57+

Literal replaces Firefox's default PDF reader with a cloud connected and unobtrusive user interface. Keep track of your reading activity, history, and progress automatically, integrate with cloud storage, and upgrade your e-reading experience.

Rated 4 out of 5 stars (1)
1,586 users

Noise Requires Restart

Make sound responses while events happen.

Rated 4 out of 5 stars (41)
2,142 users