Top-Rated Extensions

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Right Links Requires Restart

This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.

Rated 5 out of 5 stars (129)
8,367 users

A Bit Better RTM Requires Restart

Small improvements for Remember The Milk interface (original greasemonkey script "A Bit Better RTM" - http://userscripts.org/scripts/show/32518)

Rated 5 out of 5 stars (32)
631 users

BioLegend Immunology Tools Requires Restart

Welcome to BioLegend's Firefox Addon. This addon contains the latest information on Human and Mouse CD Molecules from the HLDA Workshop, Information on Cytokines and Chemokines, Pathway Posters, All the Latest News from BioLegend, and more...

Rated 5 out of 5 stars (11)
88 users

ModMovil Extension Requires Restart

Este plugin está pensado y diseñado para facilitar la navegabilidad por el foro modmovil.com; de manera tal que el foro este accesible a un simple click de distancia.

Rated 5 out of 5 stars (11)
1 user

Biobar Requires Restart

A power browsing toolbar for the Life Sciences (Biology/Bioinformatics/Medicine). Easily search and retrieve data from over 45 bioinformatics services from the comfort of the toolbar. Links to bioinformatics tools and resources.

Rated 5 out of 5 stars (11)
1,595 users

Ageless for YouTube

Watch age restricted YouTube videos without signing in.

Rated 5 out of 5 stars (48)
11,300 users

SettingSanity Requires Restart

Re-adds the options to disable Images, JavaScript, and the Tab Bar in about:preferences and the Options window.

Rated 5 out of 5 stars (48)
6,401 users

Context Menu Image Saver

Save images to custom locations directly from the context menu.

Rated 5 out of 5 stars (48)
3,132 users

Dorando keyconfig Requires Restart

A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) works again!

Rated 5 out of 5 stars (20)
3,172 users

Download Panel Tweaker

Some tweaks for built-in download panel

Rated 5 out of 5 stars (37)
6,569 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 (1,576)
2,103,453 users

ConQuery Requires Restart

Context searching for everyone and URL manipulation tool for advanced users...

Rated 5 out of 5 stars (38)
268 users

Privacy Settings Featured

Alter Firefox's built-in privacy settings easily with a toolbar panel.

Rated 5 out of 5 stars (47)
18,239 users

Mandarin Popup Requires Restart

Popup chinese dictionary for English-speakers learning Mandarin.

Rated 5 out of 5 stars (23)
527 users

Tile Tabs Requires Restart

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

Rated 5 out of 5 stars (250)
70,148 users

Mason Requires Restart

This extension can simplify the rule to just specify the URI and Content type and can enable/disable each rule separately.
What's more, it can customize the web pages by user scripts which is similar to Grease Monkey.

Rated 5 out of 5 stars (67)
5,007 users

TED the Toolbar Requires Restart

A toolbar to monitor your real-time electric use. Requires TED, the Energy Detective and TED Footprints API, products of Energy, Inc. The toolbar now supports both the TED 1000 and 5000 series energy monitors.

Rated 5 out of 5 stars (14)
194 users

Galipabi Forum Menu Requires Restart

Navigate to Galipabi Forum..

Rated 5 out of 5 stars (14)
12 users

Select like a Boss

Select link's text just like a regular text (like in Opera'12 browser) - Select like a Boss ;)

Rated 5 out of 5 stars (33)
3,171 users

Classic Bookmarks Button Requires Restart

Mainly for Firefox 29+!

This add-on restores bookmarks menu known from older Firefox versions on Firefox Australis.

Use 'Customize (Toolbar)' menu to place the new bookmarks button on your favorite toolbar.

Rated 5 out of 5 stars (26)
3,731 users