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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The entire page will be fading to dark, so you can watch the video as if you were in the cinema.46,080 users -
TinEye is a reverse image search engine. The extension adds a context menu item so you can search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.73,017 users -
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.364,420 users -
New Tab Override brings back the ability to change the page which is shown when opening a new tab.107,803 users -
Take tabs from a parent window and arrange them in a layout of tiled sub-windows, using the toolbar button, context menu or keyboard shortcuts. Makes it easy to browse, compare or monitor multiple pages. Synchronize scroll. Save and re-open layouts.1,241 users -
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom, automatic fit-to-width and minimum font size.2,314 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 -
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 -
This will fix all embedded Photo Bucket images on forums and other websites.
Source Code: https://github.com/Ryan-Myers/photobucket-embed-fix
Ported from the Chrome extensions code: https://github.com/kzahel/photobuck4,174 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 · 137 followers -
Dynamic Media Downloaders
There are better ways to download video, images & more.
9 add-ons · 12 followers
To create your own collections, you must have a Mozilla Add-ons account.
