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 22,184,609 users
- 2. Video DownloadHelper 5,837,598 users
- 3. Firebug 2,661,358 users
- 4. NoScript Security Suite 2,343,074 users
- 5. DownThemAll! 1,536,213 users
- 6. Ghostery 1,464,766 users
- 7. Greasemonkey 1,407,673 users
- 8. Adblock Plus Pop-up Addon 1,326,959 users
- 9. Web of Trust - WOT 1,272,632 users
- 10. Flash Video Downloader - YouTube HD Download [4K] 1,250,331 users
Featured Extensions See all »
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Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...This add-on is not compatible with your version of Firefox because of the following:
759,765 users -
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.This add-on is not compatible with your version of Firefox because of the following:
156,124 users -
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:
71,600 users -
Speed up your web search & search via your address barThis add-on is not compatible with your version of Firefox because of the following:
✔ get autocomplete ideas while typing
✔ get search results instantly as you type
✔ customize your own search-shortcuts
Instructional Video: http://y2u.be/W-BvOGf0kaM
Visit instantfox.net58,496 users -
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!This add-on is not compatible with your version of Firefox because of the following:
17,632 users -
A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!This add-on is not compatible with your version of Firefox because of the following:
21,084 users -
Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.This add-on is not compatible with your version of Firefox because of the following:
30,560 users -
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
This add-on is not compatible with your version of Firefox because of the following:
145,049 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:
55,357 users -
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
This add-on is not compatible with your version of Firefox because of the following:
35,110 users -
View and manage downloads from a tidy statusbar
This add-on is not compatible with your version of Firefox because of the following:
This is a new life in Firefox 26+ for old well-known addon Download Statusbar
New Features: Replace Downloads Library page.
Now you have full control of your downloads history!115,734 users -
Display daily Muslim prayer times.
This add-on is not compatible with your version of Firefox because of the following:
16,003 users -
Customize menus : Helps removing, moving and renaming menus and menu items
This add-on is not compatible with your version of Firefox because of the following:
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey10,978 users -
A quick and minimalistic way to create bookmarks.
This add-on is not compatible with your version of Firefox because of the following:
8,033 users -
Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.
This add-on is not compatible with your version of Firefox because of the following:
80,315 users -
Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.
This add-on is not compatible with your version of Firefox because of the following:
232,600 users -
Various enhancements for build-in "master password" (MP)
This add-on is not compatible with your version of Firefox because of the following:
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows25,453 users -
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
This add-on is not compatible with your version of Firefox because of the following:
438,692 users
Up & Coming Extensions See all »
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Axon provides access to the Wordnik dictionary and all Wikipedia articles in every language.This add-on is not compatible with your version of Firefox because of the following:
Double-click or select text to open the Wordnik dictionary definition in a speech balloon. If the word is not available Axon continues on Wikipedia.2,527 users -
Directly Download PDF without opening in the viewer.This add-on is not compatible with your version of Firefox because of the following:
21,277 users -
AdBlock for Gmail™ removes all annoying Ads and Banners from GmailThis add-on is not compatible with your version of Firefox because of the following:
6,284 users -
Block Ads Seamlessly on Facebook.comThis add-on is not compatible with your version of Firefox because of the following:
13,508 users -
An indicator showing HTTP/2 and SPDY support in the address bar.This add-on is not compatible with your version of Firefox because of the following:
58,101 users -
Recherchez avec Lilo et Financez des projets sociaux et environnementauxThis add-on is not compatible with your version of Firefox because of the following:
2,345 users -
Watch YouTube in the full-HD quality or the highest available one
This add-on is not compatible with your version of Firefox because of the following:
4,173 users -
Google™ Translator Lite
This add-on is not compatible with your version of Firefox because of the following:
7,474 users -
WebRTC exposes your internal network IP(s), without user interaction.
This add-on is not compatible with your version of Firefox because of the following:
5,618 users -
Replace video player with Firefox native video player
This add-on is not compatible with your version of Firefox because of the following:
43,487 users -
Control http request referrer
This add-on is not compatible with your version of Firefox because of the following:
19,815 users -
Removes tracking that enables Google to log every search result you open.
This add-on is not compatible with your version of Firefox because of the following:
View project on GitHub: https://github.com/sharpdressedcodes/google-untracker1,091 users -
Listen On Repeat Video Repeater adds a "repeat" button too your Firefox toolbar. Just go to any Youtube video, hit the "repeat" button, and you're set!
This add-on is not compatible with your version of Firefox because of the following:
1,586 users -
Firefox Interest Dashboard provides a colorful and interactive view of your interests based on your browsing history.
This add-on is not compatible with your version of Firefox because of the following:
1,756 users -
Instant access to your online shopping paradise. The more transaction you've made from our extension, the more point-cashback you'll get!
This add-on is not compatible with your version of Firefox because of the following:
2,018 users -
Hide Firefox User Interface.
This add-on is not compatible with your version of Firefox because of the following:
6,277 users -
Google™ Text-to-Speech is a text to speech engine with natural sounding voices.
This add-on is not compatible with your version of Firefox because of the following:
2,126 users -
Make your YouTube videos automatically play in 1080p HD, and add a download button.
This add-on is not compatible with your version of Firefox because of the following:
60,820 users
Featured Themes See all »
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Blooming Blues by MaDonna
373 users -
Pont Suspendu
413 users -
flyingcolor
1,149 users -
Blue Gray Sky
386 users -
Passing Time is Golden
1,669 users -
Spring Fresh by MaDonna
1,260 users -
Rainbow Peony by MaDonna
999 users -
COLORS MIX B
470 users -
Game of spheres and stars
182 users -
blue diagonal weave
1,040 users -
What Rocks My Dreams
362 users -
black holes by bg
304 users -
Sunset in Silhouette
257 users -
Background-47
543 users -
yellow le
400 users -
whiteandblueflower
1,024 users -
starry swirls
177 users -
Blue Feathering by MaDonna
1,121 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
