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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Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Statusbar and/or Toolbar. This is great for increasing security or decreasing bandwidth.This add-on is not compatible with your version of Firefox because of the following:
286,038 users -
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.This add-on is not compatible with your version of Firefox because of the following:
283,847 users -
Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...This add-on is not compatible with your version of Firefox because of the following:
33,540 users -
Make the web faster, more private, and more secure.This add-on is not compatible with your version of Firefox because of the following:
185,374 users -
Converts obfuscated/nested links to genuine clean links.This add-on is not compatible with your version of Firefox because of the following:
Eg: http://somesite.com/?to=www.example.com ➜ http://www.example.com/22,666 users -
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.This add-on is not compatible with your version of Firefox because of the following:
306,679 users -
— Open web pages saved with Internet Explorer or other browsers (MHT)This add-on is not compatible with your version of Firefox because of the following:
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!209,822 users -
An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.
This add-on is not compatible with your version of Firefox because of the following:
25,291 users -
The best security you can get in a web browser!
This add-on is not compatible with your version of Firefox because of the following:
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.2,245,292 users -
Cookies when you need them, not when others need them to track you - 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.
This add-on is not compatible with your version of Firefox because of the following:
145,356 users -
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
This add-on is not compatible with your version of Firefox because of the following:
474,496 users -
Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.
This add-on is not compatible with your version of Firefox because of the following:
142,741 users -
The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...
This add-on is not compatible with your version of Firefox because of the following:
312,604 users -
Wired-Marker(http://www.wired-marker.org/en/) is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web ...
This add-on is not compatible with your version of Firefox because of the following:
12,350 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 -
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.
This add-on is not compatible with your version of Firefox because of the following:
132,294 users -
With gTranslate you can translate any text in a webpage just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
This add-on is not compatible with your version of Firefox because of the following:
147,001 users -
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.
This add-on is not compatible with your version of Firefox because of the following:
46,071 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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horizon in yellow
2,110 users -
答应了苏苏要做的
989 users -
Spring_Damask
917 users -
Continuous Field of Flowers
2,783 users -
Easter pattern
1,930 users -
Blue Mozilla Firefox
3,502 users -
really cute bird
3,603 users -
Blue,white triangles
2,573 users -
fractal sea foam
2,329 users -
Four Seasons Breeze
818 users -
Flamingos, Flamingoes
1,180 users -
pushing up daisies
2,151 users -
SunsetTree
724 users -
Sails at Sunset
1,815 users -
Funnel of the perdition 4777
971 users -
blooming tree in the right
3,574 users -
mozilla firefox fire - fuego
3,253 users -
Cats on the Couch
1,630 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
