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.
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Reader
Compatible with Firefox 57+
Featured
Reader is the ultimate Reader tool for Firefox.
Honey
Compatible with Firefox 57+
Featured
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
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
New Tab Override (WebExtension)
Compatible with Firefox 57+
Featured
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
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.
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!
lesspass
Compatible with Firefox 57+
Featured
Use LessPass add-on to generate complex passwords and log in automatically to all your sites
LanguageTool Grammar Checker
Compatible with Firefox 57+
Featured
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
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.
Tomato Clock
Compatible with Firefox 57+
Featured
Tomato Clock is a simple browser extension for managing your productivity.
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!
QR Code Image Generator
Compatible with Firefox 57+
Featured
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.
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.
Ghostery
Compatible with Firefox 57+
Featured
Increase your browsing privacy, protection, and speed.
Speed Dial (Lite)
Compatible with Firefox 57+
Featured
Access to your favorite websites via an stylish speed dial!
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.
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.
Zoom Page WE
Compatible with Firefox 57+
Featured
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom, automatic fit-to-width and minimum font size.
Tab Reloader (Page Reloader)
Compatible with Firefox 57+
Featured
An easy-to-use tab reloader with custom reloading time settings for individual tabs
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.
To create your own collections, you must have a Mozilla Add-ons account.
