Interface Customizations

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Big Navigation No Restart

enlarging the navigation links on the pages

Rated 5 out of 5 stars (6)
762 users
Updated June 25, 2016

Open With Google Chrome No Restart

Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.

Rated 5 out of 5 stars (5)
12,263 users
Updated June 24, 2016

Classic Toolbar Buttons No Restart

'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 on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (150)
37,910 users
Updated June 22, 2016

Safe for Amoled No Restart

Darkens the background of the page

Rated 4 out of 5 stars (18)
2,295 users
Updated June 21, 2016

YouTube Video Player Pop Out No Restart

YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.

Not yet rated
450 users
Updated June 19, 2016

Add-ons Manager - Version Number No Restart

Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (18)
1,448 users
Updated June 17, 2016

URLFilter No Restart

Block advertisement and access to adult sites

Rated 4 out of 5 stars (15)
4,160 users
Updated June 17, 2016

Theme Font & Size Changer No Restart

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (170)
96,685 users
Updated June 15, 2016

Forecastfox (fix version)

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 5 out of 5 stars (205)
62,151 users
Updated June 15, 2016

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (7)
17,412 users
Updated June 8, 2016

Restart Browser

Add browser-restart buttons and browser-restart menus to Firefox and SeaMonkey browsers.

Rated 5 out of 5 stars (1)
172 users
Updated June 7, 2016

jsbtn

JS on/off status bar button

Not yet rated
2 users
Updated May 29, 2016

CuteButtons - Crystal SVG

Adds colourful icons to buttons and menus

Rated 4 out of 5 stars (103)
7,491 users
Updated May 26, 2016

Tategaki

Tategaki allows vertical writing-mode on mail compose window.

Not yet rated
13 users
Updated May 26, 2016

Link Status Redux

Shows an indicator on the status bar in front of the link address when the mouse cursor is over a link to a page you have bookmarked or visited before.

Rated 4 out of 5 stars (33)
1,047 users
Updated May 12, 2016

No Caption No Restart

Hide the caption of Firefox

Rated 4 out of 5 stars (11)
259 users
Updated May 11, 2016

Tab Wheel Scroll No Restart

Switch tabs by scrolling with the mouse wheel in the tab bar.

Rated 4 out of 5 stars (112)
10,816 users
Updated May 11, 2016

Password Tags

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (7)
2,879 users
Updated May 10, 2016

Shift+LeftClick XUL

This simple addon has only this functionality, nothing else: it opens links in a new active tab with Shift+LeftClick (left mouse button click).
Better use https://addons.mozilla.org/ru/firefox/addon/shiftleftclick-opens-links-in-/ for FireFox.

Not yet rated
3 users
Updated May 10, 2016

GNotifier No Restart

Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.

Rated 5 out of 5 stars (10)
11,164 users
Updated May 9, 2016