Top-Rated Extensions

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Binnen-I be gone

This add-on likely is only useful for users who speak German or visit German language websites - it will remove so called "Binnen-Is" on webpages.

Rated 5 out of 5 stars (83)
1,044 users

NoScript Security Suite Requires Restart Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,587)
1,740,492 users

UsableHomeButton Requires Restart

Allows to go to home page (domain root) of any currently opened website via the “Home” button of the browser.

Rated 5 out of 5 stars (24)
491 users

Proxy Privacy Ruler

Restrict Proxy by Private Windows, Tabs and Domain List

Rated 5 out of 5 stars (24)
5,705 users

Scroll Up Folder

Goes up a folder of a website.

Rated 5 out of 5 stars (30)
340 users

Flagfox

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Rated 5 out of 5 stars (676)
328,023 users

bitwarden - Free Password Manager Compatible with Firefox 57+

bitwarden is a secure and free password manager for all of your devices.

Rated 5 out of 5 stars (60)
2,733 users

Image Search Options Requires Restart

Image Search Options provides a set of highly customizable reverse image search context menu options.

Rated 5 out of 5 stars (78)
14,545 users

Input Language Assistant Requires Restart

Automatically switches input language to English when you type in address bar.

Rated 5 out of 5 stars (38)
1,056 users

Extension Options Menu Requires Restart

Adds extension options dialogs to the Tools or Titlebar menu and includes toolbar icon.

Rated 5 out of 5 stars (53)
3,848 users

Dark Background and Light Text

Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.

Rated 5 out of 5 stars (229)
35,393 users

Bookmark Quick Mover Requires Restart

Quickly move bookmarks.

Add all bookmark folders into bookmarks context menu to make moving bookmarks easier.

Rated 5 out of 5 stars (11)
554 users

Nagios Checker Requires Restart

The statusbar indicator of the events from the network monitoring system Nagios.

Rated 5 out of 5 stars (62)
6,789 users

Tabbed View Source

View Page Source in New Tab, Current Tab or New Window

Rated 5 out of 5 stars (11)
198 users

MinimizeToTray For FF 3.5 Requires Restart

MinimizeToTray For firefox 3.Minimizes Mozilla windows into the system tray.Note:I am going to remove this extension if the original creator make a FF 3 version!

Rated 5 out of 5 stars (121)
75 users

Digger Requires Restart

Navigate “up” easily in sites with hierarchical URLs, e.g from http://example.com/foo/bar to http://example.com/foo

Rated 5 out of 5 stars (30)
76 users

Print Edit Requires Restart Featured

Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.

Rated 5 out of 5 stars (308)
94,059 users

Extension Auto-Installer

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (44)
2,056 users

JSONView

View JSON documents in the browser.

Rated 5 out of 5 stars (177)
81,584 users

LeechBlock Requires Restart

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.

Rated 5 out of 5 stars (686)
45,718 users