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 14,301,995 users
- 2. uBlock Origin 3,825,008 users
- 3. Video DownloadHelper 3,727,870 users
- 4. Easy Screenshot 2,420,405 users
- 5. NoScript Security Suite 1,736,945 users
- 6. Firebug 1,343,593 users
- 7. Cisco WebEx Extension 969,087 users
- 8. Ghostery 969,027 users
- 9. DownThemAll! 945,393 users
- 10. Greasemonkey 883,124 users
Featured Extensions See all »
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Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!408,751 users -
New Tab Override brings back the ability to change the page which is shown when opening a new tab.107,803 users -
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.120,864 users -
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.61,586 users -
Create a QR code of the selected text, current url or hyperlink. Also possible to create a QR Code from free text within Firefox. Now with UTF8 support.15,028 users
Up & Coming Extensions See all »
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when activated, interrupts the built-in download manager to direct links to FDM3,295 users -
Adds a button to your Browser that allows you to convert YouTube Videos to MP3.754 users -
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.15,219 users -
Bring back your personal and powerful Firefox Button!71,088 users -
A new options button
Can now play embedded video if they are in the page
hls.js version can be selected in the options30,583 users -
(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.
Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...2,461 users
Featured Themes See all »
Featured Collections See all »
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Password Managers
Enjoy better security and more convenience with an excellent password manager.
6 add-ons · 249 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 139 followers -
Dynamic Media Downloaders
There are better ways to download video, images & more.
9 add-ons · 13 followers
To create your own collections, you must have a Mozilla Add-ons account.
