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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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 -
Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.This add-on is not compatible with your version of Firefox because of the following:
472,968 users -
One click to clear your cache, cookies, history, html5/local storage, http logins, all of them or restart your browser with/without notifications.This add-on is not compatible with your version of Firefox because of the following:
45,200 users -
Block downloads, lock down bookmarks/addons/downloads with a password.This add-on is not compatible with your version of Firefox because of the following:
114,271 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:
1,088,509 users -
Replace the default "Print" button with the Mozilla Suite style "Print/Print Preview" toolbar button/menu...This add-on is not compatible with your version of Firefox because of the following:
37,066 users -
An add-on to perform free-memory operations without visiting about:memory.This add-on is not compatible with your version of Firefox because of the following:
17,392 users -
Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...
This add-on is not compatible with your version of Firefox because of the following:
Latest updates: See bottom link 'version history'!654,945 users -
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
This add-on is not compatible with your version of Firefox because of the following:
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).18,534,047 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 -
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 -
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
This add-on is not compatible with your version of Firefox because of the following:
Check out my new project, FireSSH!778,023 users -
Imgur Uploader allows you to easily upload images that you stumble across on the web to Imgur, via a simple right click menu. It also allows you to share them out to your favorite social media sites instantly, and upload screenshots of webpages.
This add-on is not compatible with your version of Firefox because of the following:
35,419 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 -
Automatically resumes YouTube videos from where you played them last. Without this extension, for example, when you click through YouTube videos, back and forth, they always start from the beginning.
This add-on is not compatible with your version of Firefox because of the following:
29,076 users -
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.
This add-on is not compatible with your version of Firefox because of the following:
29,073 users -
S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
This add-on is not compatible with your version of Firefox because of the following:
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.175,370 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
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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Cats on the Couch
1,630 users -
Blue Mozilla Firefox
3,502 users -
Lovely Lilies
958 users -
The Surfer 2
2,545 users -
Blue,white triangles
2,573 users -
fractal sea foam
2,329 users -
答应了苏苏要做的
989 users -
Sails at Sunset
1,815 users -
Gravity's Rainbow
1,124 users -
pushing up daisies
2,151 users -
horizon in yellow
2,110 users -
really cute bird
3,603 users -
SunsetTree
724 users -
Funnel of the perdition 4777
971 users -
Continuous Field of Flowers
2,783 users -
blooming tree in the right
3,574 users -
Dragonflies in Maple Tree
3,148 users -
Easter pattern
1,930 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
