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 17,698,874 users
- 2. Video DownloadHelper 6,201,537 users
- 3. Firebug 2,616,201 users
- 4. NoScript Security Suite 2,265,579 users
- 5. Greasemonkey 1,801,849 users
- 6. DownThemAll! 1,569,428 users
- 7. Web of Trust - WOT 1,337,641 users
- 8. Flash Video Downloader - Full HD Download 1,299,015 users
- 9. FlashGot Mass Downloader 1,288,335 users
- 10. Adblock Plus Pop-up Addon 1,165,125 users
Featured Extensions See all »
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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:
1,569,428 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!786,159 users -
Cleanup your Addon ManagerThis add-on is not compatible with your version of Firefox because of the following:
32,038 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:
687,014 users -
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.This add-on is not compatible with your version of Firefox because of the following:
Beta builds on versions page!28,879 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:
140,489 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:
174,001 users -
Supercharge your reload button and hotkeys!
This add-on is not compatible with your version of Firefox because of the following:
11,618 users -
Evernote Clearly makes blog posts, articles and webpages clean and easy to read. Save them to Evernote to read anywhere.
This add-on is not compatible with your version of Firefox because of the following:
118,129 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:
11,960 users -
Stratiform is the ultimate user friendly customization add-on for Firefox. It puts the power in the average user's hands to customize the browser's look.
This add-on is not compatible with your version of Firefox because of the following:
31,050 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:
14,368 users -
The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.
This add-on is not compatible with your version of Firefox because of the following:
107,062 users -
Make some popular websites respect your privacy settings.
This add-on is not compatible with your version of Firefox because of the following:
Please see the known issues below!34,892 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:
169,356 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:
33,666 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:
154,113 users -
Ciuvo finds best deals for your wanted product. Price check, comparison, customer reviews, product videos and coupons right in your web browser.
This add-on is not compatible with your version of Firefox because of the following:
45,169 users
Up & Coming Extensions See all »
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Notifies you of sites affected by the Heartbleed vulnerability via an icon in the location bar.This add-on is not compatible with your version of Firefox because of the following:
1,189 users -
A Firefox add-on to notify you when you visit a webpage vulnerable to HeartbleedThis add-on is not compatible with your version of Firefox because of the following:
1,706 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 firefox7,212 users -
Allows manipulation of the playback rate of HTML5 videosThis add-on is not compatible with your version of Firefox because of the following:
19,143 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:
2,478 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:
10,385 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:
2,460 users -
Hide Firefox User Interface.
This add-on is not compatible with your version of Firefox because of the following:
1,808 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:
1,261 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:
37,278 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% Free14,823 users -
Loop HTML5 Video and Music.
This add-on is not compatible with your version of Firefox because of the following:
1,816 users -
Adds a toolbar button to exit Firefox...
This add-on is not compatible with your version of Firefox because of the following:
2,946 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:
5,182 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:
1,918 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:
1,106 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:
2,023 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:
1,198 users
Featured Themes See all »
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L'Arbre d'Eden
74 users -
Blue,white triangles
3,286 users -
Four Seasons Breeze
1,080 users -
mozilla firefox fire - fuego
5,824 users -
lace
48 users -
susemi 1
90 users -
Gravity's Rainbow
1,346 users -
Rain Drops Bright Blue
74 users -
Handsome Bird
127 users -
答应了苏苏要做的
1,595 users -
dark_sity
104 users -
Blue Mozilla Firefox
6,042 users -
weißetulpe
61 users -
Colorful guitars
70 users -
Spring_Damask
1,241 users -
Sails at Sunset
2,921 users -
Burst Of Flavours
65 users -
Summer Fence
91 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
