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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LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.This add-on is not compatible with your version of Firefox because of the following:
87,442 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 -
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 -
'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 -
Adds private tabs.This add-on is not compatible with your version of Firefox because of the following:
78,526 users -
Save time by speeding up repetitive tasks. Get faster, parallelized downloads, see definitions, auto-load the next page, improve searching, and more. FastestFox will dramatically enhance your productivity!This add-on is not compatible with your version of Firefox because of the following:
206,514 users -
Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.This add-on is not compatible with your version of Firefox because of the following:
Install now or visit www.integratedinbox.com for more info.24,285 users -
Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.
This add-on is not compatible with your version of Firefox because of the following:
101,515 users -
Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...
This add-on is not compatible with your version of Firefox because of the following:
30,438 users -
Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.
This add-on is not compatible with your version of Firefox because of the following:
145,010 users -
Bypass compulsory web registration with the context menu via www.bugmenot.com.
This add-on is not compatible with your version of Firefox because of the following:
48,641 users -
Creates one Pdf from any amount of open Browsertabs,Bookmarks/-folder, Scrapbook(Plus) pages. This document can be archived, sended by e-mail or printed out with any standard Pdf Viewer.
This add-on is not compatible with your version of Firefox because of the following:
184,798 users -
Notifier for gmail, yahoo, hotmail, aol and more webmails.
This add-on is not compatible with your version of Firefox because of the following:
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more128,274 users -
NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.
This add-on is not compatible with your version of Firefox because of the following:
355,154 users -
Display daily Muslim prayer times.
This add-on is not compatible with your version of Firefox because of the following:
16,003 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!206,144 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 -
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
This add-on is not compatible with your version of Firefox because of the following:
52,568 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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liquen breton +mariquitas
177 users -
whiteandblueflower
1,024 users -
Butterfly light 01-15
876 users -
Blue Gray Sky
386 users -
Neon Guitar Player
15 users -
Spring Fresh by MaDonna
1,260 users -
Snake skin 01
2,316 users -
Flower Dance
10 users -
Sunset in Silhouette
257 users -
Window Spring Flowers
576 users -
black holes by bg
304 users -
flyingcolor
1,149 users -
Voilier autour du monde
1,025 users -
In the blue of stars
524 users -
starry swirls
177 users -
bicycle Buffer
0 users -
Yummy Berry
780 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.
