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 18,423,626 users
- 2. Video DownloadHelper 6,201,537 users
- 3. Firebug 2,906,910 users
- 4. NoScript Security Suite 2,265,579 users
- 5. Greasemonkey 1,801,849 users
- 6. DownThemAll! 1,637,651 users
- 7. FlashGot Mass Downloader 1,353,562 users
- 8. Web of Trust - WOT 1,337,641 users
- 9. Flash Video Downloader - Full HD Download 1,334,349 users
- 10. Adblock Plus Pop-up Addon 1,199,536 users
Featured Extensions See all »
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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:
66,567 users -
Just another speed dial extension. Fast and easy to use.This add-on is not compatible with your version of Firefox because of the following:
106,447 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:
144,614 users -
This extension allows you to execute common commands using mouse gestures, rocker navigation, scroll wheel navigation and page...This add-on is not compatible with your version of Firefox because of the following:
137,532 users -
Redirect Cleaner cleans Redirects from LinksThis add-on is not compatible with your version of Firefox because of the following:
www.example.com?url=www.mozilla.org17,411 users -
Supercharge your reload button and hotkeys!This add-on is not compatible with your version of Firefox because of the following:
12,081 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:
174,046 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:
142,585 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:
307,215 users -
Adds metadata and sortable tags to the password manager.
This add-on is not compatible with your version of Firefox because of the following:
3,392 users -
YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.
This add-on is not compatible with your version of Firefox because of the following:
213,350 users -
This all-in-one search/browse/productivity boosting addon could replace many top addons yet offers MANY unique features like regex, smart searchbox, multi-tab preview, ... Ctrl-Shift-F activates a special FindBar more powerful than any browser/addon.
This add-on is not compatible with your version of Firefox because of the following:
15,072 users -
A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.
This add-on is not compatible with your version of Firefox because of the following:
184,458 users -
The first and only download manager/accelerator built inside Firefox!
This add-on is not compatible with your version of Firefox because of the following:
1,637,651 users -
Tired of going to History -> Recently Closed Tabs just to undo a closed tab? Then this extension is for you!
This add-on is not compatible with your version of Firefox because of the following:
This extension allows you to undo closed tabs via a toolbar button or the right-click context menu.62,052 users -
Protect your privacy. See who's tracking your web browsing and block them with Ghostery.
This add-on is not compatible with your version of Firefox because of the following:
1,083,997 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:
5,538 users -
LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
This add-on is not compatible with your version of Firefox because of the following:
78,440 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:
14,972 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:
9,272 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 firefox3,557 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:
35,241 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% Free14,588 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:
1,968 users -
Hide Firefox User Interface.
This add-on is not compatible with your version of Firefox because of the following:
1,629 users -
Double-click any image to download it quickly and quietly.
This add-on is not compatible with your version of Firefox because of the following:
1,044 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:
1,684 users -
Loop HTML5 Video and Music.
This add-on is not compatible with your version of Firefox because of the following:
1,612 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:
1,925 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:
1,934 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:
1,109 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:
4,690 users -
Adds a toolbar button to exit Firefox...
This add-on is not compatible with your version of Firefox because of the following:
2,813 users -
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
This add-on is not compatible with your version of Firefox because of the following:
1,092 users -
An easier management of the user interface language
This add-on is not compatible with your version of Firefox because of the following:
2,108 users -
Manage your installed personas (lightweight themes).
This add-on is not compatible with your version of Firefox because of the following:
15,811 users
Featured Themes See all »
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fractal sea foam
2,648 users -
Flamingos, Flamingoes
1,229 users -
Dragonflies in Maple Tree
3,343 users -
really cute bird
3,843 users -
blooming tree in the right
3,828 users -
mozilla firefox fire - fuego
3,959 users -
SunsetTree
731 users -
Funnel of the perdition 4777
1,025 users -
Cats on the Couch
1,870 users -
Gravity's Rainbow
1,205 users -
pushing up daisies
2,303 users -
Easter pattern
2,251 users -
Spring_Damask
1,011 users -
Blue,white triangles
2,796 users -
horizon in yellow
2,331 users -
Blue Mozilla Firefox
4,242 users -
Sails at Sunset
2,135 users -
答应了苏苏要做的
1,167 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
