Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Save Text To File No Restart Featured
Saves highlighted text to a file in the specified directory
Ghostery No Restart Featured
Enjoy a faster, safer and cleaner browsing experience.
YouTube™ Flash-HTML5 No Restart Featured
Play YouTube™ Videos in Flash or HTML5 Player
iMacros for Firefox Featured
Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the soluti...
User-Agent Switcher No Restart Featured
Quickly and easily switch between popular user-agent strings.
User Agent Switcher Featured
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
DuckDuckGo Plus No Restart Featured
DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!
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!
Web2PDF Converter Featured
Web page to PDF conversion tool
S3.Google Translator Featured
S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.
New Feature: Language learning!
Image Block Featured
Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections like GSM/GPRS/EDGE dial-up etc.
The first and only download manager/accelerator built inside Firefox!
Screengrab (fix version) Featured
Screengrab! saves webpages as images.
New features: upload to internet
Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
VimFx No Restart Featured
Vim-style keyboard shortcuts for browsing and navigation, significantly reducing the use of the mouse.
WebRank SEO Toolbar Featured
A toolbar that gives Google Pagerank, Alexa, Compete and Quantcast Rank, pages indexed and backlinks in Google, Bing and Yahoo. Bookmark webpages at PickMeWeb.com, view similar websites at SimilarSites.com. Delicious, Digg and Tweet Count.
CookieKeeper No Restart Featured
Extended Cookie Manager - Keep only wanted cookies.
Download YouTube Videos as MP4 No Restart Featured
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.
Reader No Restart Featured
Reader is the ultimate Reader tool for Firefox.