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 18,410,658 users
- 2. Video DownloadHelper 6,397,039 users
- 3. Firebug 2,747,646 users
- 4. NoScript Security Suite 2,277,865 users
- 5. Greasemonkey 1,799,852 users
- 6. DownThemAll! 1,631,490 users
- 7. Web of Trust - WOT 1,362,734 users
- 8. FlashGot Mass Downloader 1,348,285 users
- 9. Flash Video Downloader - Full HD Download 1,329,967 users
- 10. Adblock Plus Pop-up Addon 1,189,533 users
Featured Extensions See all »
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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:
121,216 users -
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.This add-on is not compatible with your version of Firefox because of the following:
390,125 users -
Watch blocked YouTube Videos automatically with our high-speed Proxy Server ☺This add-on is not compatible with your version of Firefox because of the following:
✓ Unlock all YouTube Videos
✓ Fast
✓ Reliable
✓ Safe
✓ No Ads
You can find the latest Version here http://www.unblocker.yt186,671 users -
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.This add-on is not compatible with your version of Firefox because of the following:
106,030 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:
31,687 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 more150,072 users -
Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.This add-on is not compatible with your version of Firefox because of the following:
10,225 users -
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.
This add-on is not compatible with your version of Firefox because of the following:
Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
Control for which webpage form history is saved or not.32,755 users -
Multiple account (or label) Gmail notifier (without storing passwords)
This add-on is not compatible with your version of Firefox because of the following:
73,614 users -
Reader is the ultimate Reader tool for Firefox.
This add-on is not compatible with your version of Firefox because of the following:
29,507 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:
106,995 users -
Adds private tabs.
This add-on is not compatible with your version of Firefox because of the following:
65,338 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:
234,840 users -
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
This add-on is not compatible with your version of Firefox because of the following:
302,903 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:
1,167,570 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:
12,929 users -
YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.
This add-on is not compatible with your version of Firefox because of the following:
212,185 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:
164,647 users
Up & Coming Extensions See all »
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Allows manipulation of the playback rate of HTML5 videosThis add-on is not compatible with your version of Firefox because of the following:
10,568 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:
7,572 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:
31,630 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% Free13,355 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:
1,746 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 firefox1,750 users -
Gives you a quick way to restart if memory usage is too high.
This add-on is not compatible with your version of Firefox because of the following:
29,036 users -
An easier management of the user interface language
This add-on is not compatible with your version of Firefox because of the following:
2,005 users -
Manage your installed personas (lightweight themes).
This add-on is not compatible with your version of Firefox because of the following:
15,950 users -
Loop HTML5 Video and Music.
This add-on is not compatible with your version of Firefox because of the following:
1,400 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:
915 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:
1,778 users -
Restore squared tabs, appmenu, add-ons bar, small button view and more on Australis UI (Windows/MacOSX/Linux + Fx 29+).
This add-on is not compatible with your version of Firefox because of the following:
v1.1.8 and 1.1.9 beta builds on versions page!7,343 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:
1,165 users -
Firefox for Vim and Links addicts. The next generation of Vimperator by its primary developers.
This add-on is not compatible with your version of Firefox because of the following:
- Add-on has opted into strict compatibility checking.
3,243 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:
1,246 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:
4,038 users -
Display today date in Iranian calendar in the status bar...
This add-on is not compatible with your version of Firefox because of the following:
2,332 users
Featured Themes See all »
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Gravity's Rainbow
1,039 users -
Blue Mozilla Firefox
2,602 users -
pushing up daisies
1,952 users -
Lovely Lilies
805 users -
Dragonflies in Maple Tree
2,875 users -
Flamingos, Flamingoes
1,105 users -
Cats on the Couch
1,335 users -
blooming tree in the right
3,209 users -
Four Seasons Breeze
729 users -
Spring_Damask
780 users -
mozilla firefox fire - fuego
2,502 users -
fractal sea foam
1,951 users -
The Surfer 2
1,938 users -
really cute bird
3,289 users -
Continuous Field of Flowers
2,369 users -
Easter pattern
1,507 users -
Sails at Sunset
1,481 users -
Blue,white triangles
2,294 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
