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 17.698.874 users
- 2. Video DownloadHelper 6.201.537 users
- 3. Firebug 2.616.201 users
- 4. NoScript Security Suite 2.265.579 users
- 5. Greasemonkey 1.801.849 users
- 6. DownThemAll! 1.569.428 users
- 7. Web of Trust - WOT 1.337.641 users
- 8. Flash Video Downloader - Full HD Download 1.299.015 users
- 9. FlashGot Mass Downloader 1.288.335 users
- 10. Adblock Plus Pop-up Addon 1.165.125 users
Featured Extensions See all »
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Adds metadata and sortable tags to the password manager.This add-on is not compatible with your version of Firefox because of the following:
3.229 users -
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:
74.751 users -
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.This add-on is not compatible with your version of Firefox because of the following:
126.328 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:
12.148 users -
The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.This add-on is not compatible with your version of Firefox because of the following:
107.062 users -
CouponsHelper automatically finds coupon codes from thousands of retailers while you shop online. CouponsHelper is hidden until it finds coupons, so no pointless pop ups !This add-on is not compatible with your version of Firefox because of the following:
Tutorial video: http://www.youtube.com/watch?v=SrYCmKdvzE473.670 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:
446.032 users -
Stratiform is the ultimate user friendly customization add-on for Firefox. It puts the power in the average user's hands to customize the browser's look.
This add-on is not compatible with your version of Firefox because of the following:
31.050 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:
210.913 users -
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.
This add-on is not compatible with your version of Firefox because of the following:
859.711 users -
Old school retweets for Twitter.
This add-on is not compatible with your version of Firefox because of the following:
4.456 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:
62.986 users -
With gTranslate you can translate any text in a webpage just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
This add-on is not compatible with your version of Firefox because of the following:
138.358 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:
30.615 users -
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
This add-on is not compatible with your version of Firefox because of the following:
687.014 users -
Take control of YouTube!
This add-on is not compatible with your version of Firefox because of the following:
Download videos, convert videos to MP3 and AAC, block ads, automatically play videos in HD, watch the Top 50 and your favorite videos in sidebar while you surf, change YouTube's style, loop videos, etc..64.648 users -
Web page to PDF conversion tool
This add-on is not compatible with your version of Firefox because of the following:
37.560 users -
Cleanup your Addon Manager
This add-on is not compatible with your version of Firefox because of the following:
32.038 users
Up & Coming Extensions See all »
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Notifies you of sites affected by the Heartbleed vulnerability via an icon in the location bar.This add-on is not compatible with your version of Firefox because of the following:
1.189 users -
A Firefox add-on to notify you when you visit a webpage vulnerable to HeartbleedThis add-on is not compatible with your version of Firefox because of the following:
1.706 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 firefox7.212 users -
Allows manipulation of the playback rate of HTML5 videosThis add-on is not compatible with your version of Firefox because of the following:
19.143 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:
2.478 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:
10.385 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:
2.460 users -
Hide Firefox User Interface.
This add-on is not compatible with your version of Firefox because of the following:
1.808 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:
1.261 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:
37.278 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% Free14.823 users -
Loop HTML5 Video and Music.
This add-on is not compatible with your version of Firefox because of the following:
1.816 users -
Adds a toolbar button to exit Firefox...
This add-on is not compatible with your version of Firefox because of the following:
2.946 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:
5.182 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:
1.918 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:
1.106 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:
2.023 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:
1.198 users
Featured Themes See all »
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Rain Drops Bright Blue
74 users -
fractal sea foam
3.250 users -
Cats on the Couch
2.451 users -
Spring_Damask
1.241 users -
Burst Of Flavours
65 users -
weißetulpe
61 users -
Where the Wildflowers Bloom
99 users -
behind curtain
146 users -
答应了苏苏要做的
1.595 users -
Blue,white triangles
3.286 users -
Abstraction Distraction
61 users -
lace
48 users -
Handsome Bird
127 users -
Gravity's Rainbow
1.346 users -
Four Seasons Breeze
1.080 users -
Firefox OS Theme
9 users -
Sails at Sunset
2.921 users -
Summer Fence
91 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
