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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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:
12,549 users -
Fix the web. 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:
167,276 users -
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:
342,237 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:
31,998 users -
Listen to unlimited, free music with FireTube.This add-on is not compatible with your version of Firefox because of the following:
Simply search the artist or song of your choice and enjoy.
Download the Android version here.25,863 users -
Customize menus : Helps removing, moving and renaming menus and menu itemsThis 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 -
You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.This add-on is not compatible with your version of Firefox because of the following:
36,116 users -
Display daily Muslim prayer times.
This add-on is not compatible with your version of Firefox because of the following:
16,003 users -
Cache clearing made easy. One click.
This add-on is not compatible with your version of Firefox because of the following:
72,054 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 -
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
This add-on is not compatible with your version of Firefox because of the following:
36,988 users -
Contextual (inline) unit, timezone, and currency converter on any web site, plus custom conversions for offline text. Shopping assistant also included -- find the best deals online! (Currency conversions and shopping assistant disabled by default.)
This add-on is not compatible with your version of Firefox because of the following:
10,893 users -
Screengrab! saves webpages as images.
This add-on is not compatible with your version of Firefox because of the following:
0.98 released!
New features: upload to internet156,528 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:
125,958 users -
Customize the way a web page displays or behaves, by using small bits of JavaScript.
This add-on is not compatible with your version of Firefox because of the following:
1,407,673 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!43,469 users -
Browse faster—Preview links and images without leaving your current page or tab. Just mouseover any link and a preview window appears to display the content.
This add-on is not compatible with your version of Firefox because of the following:
106,547 users -
Converts obfuscated or nested links to genuine clean links.
This add-on is not compatible with your version of Firefox because of the following:
Eg: http://somesite.com/?to=www.example.com ➜ http://www.example.com/31,974 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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Spring Fresh by MaDonna
1,260 users -
Blooming Blues by MaDonna
373 users -
Orchids on the Rocks by MaDonna
577 users -
black holes by bg
304 users -
whiteandblueflower
1,024 users -
Blue Gray Sky
386 users -
yellow le
400 users -
Strawberry Season by MaDonna
22 users -
Blue Feathering by MaDonna
1,121 users -
Flower Dance
10 users -
Voilier autour du monde
1,025 users -
Yummy Berry
780 users -
Snake skin 01
2,316 users -
blue diagonal weave
1,040 users -
Rainbow Peony by MaDonna
999 users -
flyingcolor
1,149 users -
Pont Suspendu
413 users -
Background-47
543 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
