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.
CloseFilter Results
-
Category
-
Works with
-
Tag
103 matching results
Search
Sort by:
French spelling dictionary
German dictionary (de_DE)
German dictionary igerman98 (de_DE, Germany), for Firefox, Thunderbird und Seamonkey.
Element Hiding Helper for Adblock Plus
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Verificador Ortográfico para Português do Brasil
Possui a maioria das palavras existentes em português do Brasil, de acordo com o novo acordo ortográfico que entrou em vigor janeiro de 2009. É Atualizado constantemente.
Precisa de ajuda?
facebook.com/RescueLanguage
rescuelanguage.sf.net
UnMHT
UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
Color Transform
Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.
Remote XUL Manager
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
Ukrainian dictionary
German Dictionary, classical spelling standards
German Dictionary according to the classical spelling standards for spell-checking in Firefox and Thunderbird
Disable Add-on Compatibility Checks
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
Bluhell Firewall
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Stylish Sync
United States English Spellchecker
This dictionary is no longer maintained. Use this dictionary instead.
Private Tab
Old Default Image Style
Restores the default image style used for top-level images in previous versions of Firefox.
German dictionary (de_AT)
German dictionary igerman98 (de_AT, Austria), for Firefox, Thunderbird und Seamonkey.
To create your own collections, you must have a Mozilla Add-ons account.
