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Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Lightweight Themes Manager No Restart Featured
Manage your installed personas (lightweight themes).
ZenMate Security & Privacy VPN No Restart Featured
Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.
Self-Destructing Cookies No Restart Featured
Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
Gmail Notifier (restartless) No Restart Featured
Multiple account (or label) Gmail notifier (without storing passwords)
gtranslate No Restart Featured
With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
Ghostery No Restart Featured
Protect your privacy. See who's tracking your web browsing and block them with Ghostery.
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
FoxyProxy Standard Featured
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
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.
Password Tags Featured
Adds metadata and sortable tags to the password manager.
Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
Bloody Vikings! Featured
QR Code Image Generator No Restart Featured
Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.
Download Manager (S3) 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!
Private Tab No Restart Featured
Adds private tabs.
Copy As Plain Text Featured
Removes formatting from copied text.
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
F.B. Purity - Cleans Up Facebook No Restart Featured
F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.