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.
CloseFeatured Extensions
Sort by:
Youtube Dark Mode
Compatible with Firefox 57+
Featured
Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. Make donation for us http://www.paypal.me/hoangthanh. Thank you!
FoxyTab
Compatible with Firefox 57+
Featured
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
Dark YouTube Theme
Compatible with Firefox 57+
Featured
Shut down the lights on YouTube.
Enjoy!
Fraudscore
Compatible with Firefox 57+
Featured
Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.
YouTube Control Center
Compatible with Firefox 57+
Featured
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.
Print Edit WE
Compatible with Firefox 57+
Featured
Print Edit WE provides facilities to edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.
Dictionary (Google™ Translate) Anywhere
Compatible with Firefox 57+
Featured
"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.
Tomato Clock
Compatible with Firefox 57+
Featured
Tomato Clock is a simple browser extension for managing your productivity.
Blur
Compatible with Firefox 57+
Featured
Protect your Passwords, Payments, and Privacy.
Bloody Vikings!
Compatible with Firefox 57+
Featured
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.
Search image
Compatible with Firefox 57+
Featured
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.
Bulk Media Downloader
Compatible with Firefox 57+
Featured
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
Google search link fix
Compatible with Firefox 57+
Featured
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.
AdBlock for Firefox
Compatible with Firefox 57+
Featured
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
uBlock Origin
Compatible with Firefox 57+
Featured
Finally, an efficient blocker. Easy on CPU and memory.
Disconnect
Compatible with Firefox 57+
Featured
Make the web faster, more private, and more secure.
Awesome Screenshot Plus - Capture, Annotate & More
Compatible with Firefox 57+
Featured
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
AdBlocker Ultimate
Compatible with Firefox 57+
Featured
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
Tab Auto Refresh
Compatible with Firefox 57+
Featured
Automatically refresh tabs based on custom time intervals
To Google Translate
Compatible with Firefox 57+
Featured
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.
To create your own collections, you must have a Mozilla Add-ons account.
