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 18,423,626 users
- 2. Video DownloadHelper 6,201,537 users
- 3. Firebug 2,906,910 users
- 4. NoScript Security Suite 2,265,579 users
- 5. Greasemonkey 1,801,849 users
- 6. DownThemAll! 1,637,651 users
- 7. FlashGot Mass Downloader 1,353,562 users
- 8. Web of Trust - WOT 1,337,641 users
- 9. Flash Video Downloader - Full HD Download 1,334,349 users
- 10. Adblock Plus Pop-up Addon 1,199,536 users
Featured Extensions See all »
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A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.This add-on is not compatible with your version of Firefox because of the following:
184,458 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:
75,490 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:
164,079 users -
Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.This add-on is not compatible with your version of Firefox because of the following:
101,050 users -
Protect your privacy. Stop companies and advertisers from tracking your browsing and sending you spam email.This add-on is not compatible with your version of Firefox because of the following:
453,297 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 more150,305 users -
Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!This add-on is not compatible with your version of Firefox because of the following:
26,927 users -
The Add-ons Manager slims down!
This add-on is not compatible with your version of Firefox because of the following:
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.8,185 users -
Copies text without formatting
This add-on is not compatible with your version of Firefox because of the following:
30,063 users -
The best security you can get in a web browser!
This add-on is not compatible with your version of Firefox because of the following:
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.2,265,579 users -
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:
126,046 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.33,148 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).18,423,626 users -
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
This add-on is not compatible with your version of Firefox because of the following:
85,991 users -
ImTranslator provides access to the online translation powered by Google Translate, Microsoft, Babylon for 66 languages. It includes dictionary, text-to-speech, back translation.
This add-on is not compatible with your version of Firefox because of the following:
Complete Video Tutorial: http://youtu.be/UwK6529XZIQ523,918 users -
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
This add-on is not compatible with your version of Firefox because of the following:
473,248 users -
FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.
This add-on is not compatible with your version of Firefox because of the following:
149,659 users -
A must have tool for Web Developers and Testers to Manage and monitor web cookies.
This add-on is not compatible with your version of Firefox because of the following:
Features List:
Add
Delete
Modify
Export / Backup
Import / Restore
Monitor cookies
Available in English, French, Spanish, German and Italian languages.33,400 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:
14,972 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:
9,272 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 firefox3,557 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:
35,241 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% Free14,588 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:
1,968 users -
Hide Firefox User Interface.
This add-on is not compatible with your version of Firefox because of the following:
1,629 users -
Double-click any image to download it quickly and quietly.
This add-on is not compatible with your version of Firefox because of the following:
1,044 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:
1,684 users -
Loop HTML5 Video and Music.
This add-on is not compatible with your version of Firefox because of the following:
1,612 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:
1,925 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:
1,934 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:
1,109 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:
4,690 users -
Adds a toolbar button to exit Firefox...
This add-on is not compatible with your version of Firefox because of the following:
2,813 users -
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
This add-on is not compatible with your version of Firefox because of the following:
1,092 users -
An easier management of the user interface language
This add-on is not compatible with your version of Firefox because of the following:
2,108 users -
Manage your installed personas (lightweight themes).
This add-on is not compatible with your version of Firefox because of the following:
15,811 users
Featured Themes See all »
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Blue,white triangles
2,796 users -
Easter pattern
2,251 users -
Gravity's Rainbow
1,205 users -
pushing up daisies
2,303 users -
Sails at Sunset
2,135 users -
Spring_Damask
1,011 users -
mozilla firefox fire - fuego
3,959 users -
答应了苏苏要做的
1,167 users -
Dragonflies in Maple Tree
3,343 users -
horizon in yellow
2,331 users -
blooming tree in the right
3,828 users -
fractal sea foam
2,648 users -
SunsetTree
731 users -
Four Seasons Breeze
891 users -
Cats on the Couch
1,870 users -
Blue Mozilla Firefox
4,242 users -
Funnel of the perdition 4777
1,025 users -
really cute bird
3,843 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
