Top-Rated Extensions

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Keepa.com - Amazon Price Tracker Compatible with Firefox 57+

→ Price History charts
→ Price Drop & Availability Alerts
→ Daily Drops, an overview of recent price drops
→ Huge frequently updated product database
→ Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .cn | .it | .es | .in | .mx | .br

Rated 5 out of 5 stars (31)
51,580 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 (197)
40,228 users

Pentadactyl

Firefox for Vim and Links addicts.

Rated 5 out of 5 stars (137)
792 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 (66)
3,426 users

Switch to Tab no more Requires Restart

Disables the Switch to Tab function.

Rated 5 out of 5 stars (45)
2,690 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)
382 users

F.B. Purity - Cleans Up Facebook

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

Rated 5 out of 5 stars (97)
27,442 users

Sun Cult Requires Restart

Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...

Rated 5 out of 5 stars (104)
3,396 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)
92 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)
0 users

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)
1,229 users

FlashGot Mass Downloader Requires Restart

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (535)
591,083 users

EdgeWise Requires Restart

Customizable pointer actions at margin for superior browsing ease and speed

Rated 5 out of 5 stars (13)
261 users

VK scrobbler Compatible with Firefox 57+

Scrobble music from vk.com to last.fm

Rated 5 out of 5 stars (13)
1,107 users

Media Keys

Lets you control various media sites using the media keys on your keyboard without having the Firefox window active.

Supported Sites: youtube, pandora, spotify, bandcamp, google play, yandex, soundcloud, tidalhifi, deezer, plex, vk and more.

Rated 5 out of 5 stars (75)
3,228 users

Yandex Music Fisher Compatible with Firefox 57+

Скачивание музыки с сервисов Яндекс.Музыка и Яндекс.Радио

Rated 5 out of 5 stars (13)
1,595 users

Sidebars List

Adds drop-down list to switch sidebars

Rated 5 out of 5 stars (13)
638 users

Menu Wizard Requires Restart Featured

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (188)
101,413 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)
16,416 users

ConQuery Requires Restart

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

Rated 5 out of 5 stars (38)
137 users