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 21,507,130 users
- 2. Video DownloadHelper 4,742,806 users
- 3. Firebug 2,334,889 users
- 4. NoScript Security Suite 2,317,756 users
- 5. Easy Screenshot 2,103,060 users
- 6. Ghostery 1,525,535 users
- 7. DownThemAll! 1,371,937 users
- 8. Greasemonkey 1,275,614 users
- 9. Adblock Plus Pop-up Addon 1,246,715 users
- 10. Flash Video Downloader - YouTube HD Download [4K] 1,135,248 users
Featured Extensions See all »
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LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.This add-on is not compatible with your version of Firefox because of the following:
763,324 users -
Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.This add-on is not compatible with your version of Firefox because of the following:
1,246,715 users -
Google™ Translator LiteThis add-on is not compatible with your version of Firefox because of the following:
57,527 users -
Play all videos on youtube without flash in your preferred size using only HTML5.This add-on is not compatible with your version of Firefox because of the following:
124,194 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).21,507,130 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:
127,114 users -
Adds private tabs.This add-on is not compatible with your version of Firefox because of the following:
73,702 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:
646,864 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:
26,574 users -
Copies text without formatting
This add-on is not compatible with your version of Firefox because of the following:
43,860 users -
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
This add-on is not compatible with your version of Firefox because of the following:
249,914 users -
Display daily Muslim prayer times.
This add-on is not compatible with your version of Firefox because of the following:
11,650 users -
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
This add-on is not compatible with your version of Firefox because of the following:
917,828 users -
Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
This add-on is not compatible with your version of Firefox because of the following:
54,428 users -
Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
This add-on is not compatible with your version of Firefox because of the following:
57,182 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:
277,374 users -
Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!
This add-on is not compatible with your version of Firefox because of the following:
30,285 users -
Search in the awesome bar without changing your search engine.
This add-on is not compatible with your version of Firefox because of the following:
11,970 users
Up & Coming Extensions See all »
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Plugin for download on AlldebridThis add-on is not compatible with your version of Firefox because of the following:
6,446 users -
Instant web-search in Firefox address barThis add-on is not compatible with your version of Firefox because of the following:
5,807 users -
This Add-on brings a fresh look to your new tab page, powered by Yahoo. It also provides default Yahoo experience for search and homepage.This add-on is not compatible with your version of Firefox because of the following:
4,543 users -
Quick access to our search engine and other Yandex servicesThis add-on is not compatible with your version of Firefox because of the following:
20,540 users -
Quick access to our search engine and other Yandex servicesThis add-on is not compatible with your version of Firefox because of the following:
4,080 users -
Spell check and grammar check as you type online. Boost your credibility everywhere you write!This add-on is not compatible with your version of Firefox because of the following:
1,715 users -
Blocks all images and visual contents on desired websites
This add-on is not compatible with your version of Firefox because of the following:
2,871 users -
Swap Your Proxy Setting instantly just by a click.
This add-on is not compatible with your version of Firefox because of the following:
20,420 users -
Copy multiple urls (links) to clipboard. Provides options to copy urls of all opened tabs and urls in selected text. You can customize the format of copied urls. You can also open multiple links from clipboard.
This add-on is not compatible with your version of Firefox because of the following:
80,478 users -
Configures Mozilla Firefox for use with Charles Web Debugging Proxy.
This add-on is not compatible with your version of Firefox because of the following:
1,171 users -
A bulletproof approach to prevent YouTube from buffering videos
This add-on is not compatible with your version of Firefox because of the following:
22,307 users -
Disables "website is now fullscreen" alert
This add-on is not compatible with your version of Firefox because of the following:
23,263 users -
Provides control over HTTP headers (User-Agent, Referer and Accept-Language) on a per-site basis.
This add-on is not compatible with your version of Firefox because of the following:
6,365 users -
"Kuai-Translator"-instant translation extended (A simple translator add-on), is a convenient extended to support translation of multiple languages, translation of words can also be a WIKI query.
This add-on is not compatible with your version of Firefox because of the following:
3,357 users -
Через конекстное меню отправляйте ссылки на topdownloads.ru для удаленной закачки с помощью Download Master
This add-on is not compatible with your version of Firefox because of the following:
10,920 users -
a download manager with multi-threading support
This add-on is not compatible with your version of Firefox because of the following:
25,861 users -
Inbox™ Notifier provides an easy access to your Inbox, and notifies you of incoming emails.
This add-on is not compatible with your version of Firefox because of the following:
3,105 users -
Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co
This add-on is not compatible with your version of Firefox because of the following:
27,677 users
Featured Themes See all »
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Warmth of an Autumn Sky
50 users -
Morning flame
29 users -
Caribbean Sailing
742 users -
Fierce Falls
212 users -
Bronze Butterfly Vector by MaDonna
251 users -
Skull Kid in Night
179 users -
Gatos
395 users -
Floral-Preto_3
6 users -
Wolf Made of Snakes
2 users -
花黑
42 users -
Autumn Treetops
268 users -
Abstract Floral Blue by MaDonna
411 users -
Cave Pond Falls
256 users -
Green Pattern Green
266 users -
Autumn Trees2
7 users -
Mountain lakes
85 users -
Harvest the Corn by MaDonna
261 users -
Chipmunk's Autumn Happiness by MaDonna
347 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
