Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseTop-Rated Extensions
Sort by:
Classic Theme Restorer (Customize Australis)
Restore squared tabs, appmenu, add-ons bar, small button view and more on Australis UI (Windows/MacOSX/Linux + Fx 29+).
v1.1.9 beta builds on versions page!
This add-on is not compatible with your version of Firefox because of the following:
YouTube High Definition
Featured
YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.
This add-on is not compatible with your version of Firefox because of the following:
Theme Font & Size Changer
Featured
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.
This add-on is not compatible with your version of Firefox because of the following:
FindBar Tweak
No Restart
Featured
Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!
This add-on is not compatible with your version of Firefox because of the following:
Speed Dial [FVD] - New Tab Page, Sync...
Featured
FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.
This add-on is not compatible with your version of Firefox because of the following:
TableTools2 - Copy/Sort/Chart/Filter Table&More!
Featured
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
This add-on is not compatible with your version of Firefox because of the following:
OmniSidebar
No Restart
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!
This add-on is not compatible with your version of Firefox because of the following:
Pearltrees
No Restart
Featured
A place to collect, organize and share everything you like on the web
This add-on is not compatible with your version of Firefox because of the following:
Click to Play per-element
No Restart
Restore "Click to Play" ability of per-element for Firefox 24 and above.
This add-on is not compatible with your version of Firefox because of the following:
S3.Download Statusbar
Featured
View and manage downloads from a tidy statusbar
This is a new life in Firefox 26+ for old well-known addon Download Statusbar
New Features: Replace Downloads Library page.
Now you have full control of your downloads history!
This add-on is not compatible with your version of Firefox because of the following:
Classic Toolbar Buttons
No Restart
Featured
'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!
This add-on is not compatible with your version of Firefox because of the following:
Best Proxy Switcher
Best Proxy Switcher was developed by the team, who provides proxy service since 2004 year. You can use Best Proxy Switcher with your own proxy or use 3 day FREE trial to let it download most recently checked list from our web site automatically!
This add-on is not compatible with your version of Firefox because of the following:
Pray Times!This add-on is not compatible with your version of Firefox because of the following:
Converter
Featured
Contextual (inline) unit, timezone, and currency converter on any web site, plus custom conversions for offline text. Shopping assistant also included -- find the best deals online! (Currency conversions and shopping assistant disabled by default.)
This add-on is not compatible with your version of Firefox because of the following:
EHTip
Word translation in tooltip with English⟷Croatian dictionary already incorporated.
This add-on is not compatible with your version of Firefox because of the following:
This add-on is not compatible with your version of Firefox because of the following:
Google/Yandex search link fix
No Restart
Featured
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
This add-on is not compatible with your version of Firefox because of the following:
Webmaster SAPE
Toolbar contains a set of functions, which expands the abilities of webmasters and optimizers, when working in the interface of SAPE exchange.
This add-on is not compatible with your version of Firefox because of the following:
Private TabThis add-on is not compatible with your version of Firefox because of the following:
4trust-Защита от мошенников
No Restart
4TRUST, сообщает о вредоносных и мошеннических сайтах используя рейтинги пользователей Internet. 4TRUST автоматически проинформирует можно ли доверять открываемому сайту. 4TRUST — это Ваша бесплатная безопасность!
This add-on is not compatible with your version of Firefox because of the following:
To create your own collections, you must have a Mozilla Add-ons account.
