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.
CloseMost Popular All »
- 1. Adblock Plus 18,534,047 users
- 2. Video DownloadHelper 6,239,103 users
- 3. Firebug 2,818,949 users
- 4. NoScript Security Suite 2,245,292 users
- 5. Greasemonkey 1,786,655 users
- 6. DownThemAll! 1,640,581 users
- 7. FlashGot Mass Downloader 1,354,732 users
- 8. Web of Trust - WOT 1,342,425 users
- 9. Flash Video Downloader - Full HD Download 1,337,463 users
- 10. Adblock Plus Pop-up Addon 1,201,482 users
Featured Extensions See all »
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Secure Login is an extension for Firefox integrated password manager.This add-on is not compatible with your version of Firefox because of the following:
72,005 users -
FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.This add-on is not compatible with your version of Firefox because of the following:
160,790 users -
AddThis for Firefox is the best add-on to make sharing and bookmarking simple. Have all your favorite web 2.0 social networking, bookmarking, blogging, and e-mail services at your fingertips. Share any page, anytime, with anyone.This add-on is not compatible with your version of Firefox because of the following:
173,603 users -
DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo as the default address bar, search bar and right-click search engine. Adds a handy toolbar button for easy access to !bang tags. Adds DuckDuckGo instant answers to Google/Bing.This add-on is not compatible with your version of Firefox because of the following:
232,536 users -
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!This add-on is not compatible with your version of Firefox because of the following:
5,423 users -
NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.This add-on is not compatible with your version of Firefox because of the following:
236,672 users -
Block web pages containing pornography or any other type of material based on keyword lists.This add-on is not compatible with your version of Firefox because of the following:
67,393 users -
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:
19,217 users -
**About 2012 Reader’s Choice Award: Best Browser Addon**
This add-on is not compatible with your version of Firefox because of the following:
Automatically finds lower prices and money-saving coupons from thousands of retailers while you shop. PriceBlink stays hidden until you are shopping. US and UK.
Demo: youtu.be/UKxMx5bT-QM33,904 users -
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
This add-on is not compatible with your version of Firefox because of the following:
183,822 users -
Adds the ability to create and edit entries in the password manager.
This add-on is not compatible with your version of Firefox because of the following:
90,033 users -
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
This add-on is not compatible with your version of Firefox because of the following:
164,827 users -
http://en.wikipedia.org/wiki/Text-to-voice. TTS gives Firefox the power of speech. Select text, click the button on the bottom right of Firefox window and this add-on speaks the selected text for you. Isn't it brilliant? Audio is downloadable.
This add-on is not compatible with your version of Firefox because of the following:
31,974 users -
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
This add-on is not compatible with your version of Firefox because of the following:
679,171 users -
Notifier for gmail, yahoo, hotmail, aol and more webmails.
This add-on is not compatible with your version of Firefox because of the following:
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 more150,739 users -
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
This add-on is not compatible with your version of Firefox because of the following:
107,700 users -
Adds private tabs.
This add-on is not compatible with your version of Firefox because of the following:
66,026 users -
View and manage downloads from a tidy statusbar
This add-on is not compatible with your version of Firefox because of the following:
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!50,987 users
Up & Coming Extensions See all »
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Allows manipulation of the playback rate of HTML5 videosThis add-on is not compatible with your version of Firefox because of the following:
13,043 users -
To detect the URL of the streaming audio and video, so that you can copy from the page context menu.This add-on is not compatible with your version of Firefox because of the following:
8,614 users -
Downloading videos from popular sites (e.g. YouTube, Vimeo, etc).This add-on is not compatible with your version of Firefox because of the following:
33,834 users -
Want to save money shopping online?This add-on is not compatible with your version of Firefox because of the following:
Automatically get the best prices, coupons & promo codes.
✔ Uses HTTPS
✔ Automatically get the best prices & coupon codes
✔ Works on search engines
✔ Product information
Safe · Discreet · 100% Free14,263 users -
Translate entire web page or selected text using google translateThis add-on is not compatible with your version of Firefox because of the following:
There are many translators on Firefox. There are two features they're not supported:
1.HTTPS pages
2.Page logined
This addon can translate all pages you can open in firefox2,488 users -
Keep your menus in check by filtering out items you never use.This add-on is not compatible with your version of Firefox because of the following:
1,722 users -
Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
This add-on is not compatible with your version of Firefox because of the following:
1,861 users -
Loop HTML5 Video and Music.
This add-on is not compatible with your version of Firefox because of the following:
1,524 users -
Open in Safari does just what it says. If you’re looking for a quick way to load certain web pages in Safari directly from Firefox, on-demand, this extension is for you. This extension is designed for Firefox 3.5 and Mac OS X only.
This add-on is not compatible with your version of Firefox because of the following:
943 users -
Gives you a quick way to restart if memory usage is too high.
This add-on is not compatible with your version of Firefox because of the following:
40,024 users -
This addon help you to block facebook ads and change your facebook to a new look
This add-on is not compatible with your version of Firefox because of the following:
1,444 users -
An easier management of the user interface language
This add-on is not compatible with your version of Firefox because of the following:
2,052 users -
Hide Firefox User Interface.
This add-on is not compatible with your version of Firefox because of the following:
1,252 users -
Manage your installed personas (lightweight themes).
This add-on is not compatible with your version of Firefox because of the following:
15,988 users -
Implements the loop attribute for HTML5 videos/audios and adds an item to control it from the context menu.
This add-on is not compatible with your version of Firefox because of the following:
1,078 users -
Blocks casino related websites and displays an awareness page.
This add-on is not compatible with your version of Firefox because of the following:
1,898 users -
Permanently hides the Ads panel in the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads at the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)
This add-on is not compatible with your version of Firefox because of the following:
4,363 users -
Firefox for Vim and Links addicts. The next generation of Vimperator by its primary developers.
This add-on is not compatible with your version of Firefox because of the following:
- Add-on has opted into strict compatibility checking.
3,383 users
Featured Themes See all »
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Easter pattern
1,930 users -
Gravity's Rainbow
1,124 users -
really cute bird
3,603 users -
mozilla firefox fire - fuego
3,253 users -
Funnel of the perdition 4777
971 users -
horizon in yellow
2,110 users -
Cats on the Couch
1,630 users -
SunsetTree
724 users -
pushing up daisies
2,151 users -
Sails at Sunset
1,815 users -
Blue,white triangles
2,573 users -
Blue Mozilla Firefox
3,502 users -
Flamingos, Flamingoes
1,180 users -
Spring_Damask
917 users -
答应了苏苏要做的
989 users -
blooming tree in the right
3,574 users -
Four Seasons Breeze
818 users -
Dragonflies in Maple Tree
3,148 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
