Featured Extensions

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User-Agent Switcher Featured

Quickly and easily switch between popular user-agent strings.

Rated 4 out of 5 stars (35)
64,327 users

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (1,843)
1,169,132 users

Copy Plain Text 2 Requires Restart Featured

Copies text without formatting

Rated 5 out of 5 stars (80)
40,697 users

Pearltrees Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (249)
16,580 users

Classic Toolbar Buttons Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.

Beta builds on versions page!

Rated 5 out of 5 stars (161)
37,892 users

Ecosia — The search engine that plants trees! Featured

Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (143)
195,683 users

YouTube No Buffer (Stop Autoplaying) Featured

A bulletproof approach to prevent YouTube from buffering videos

Rated 4 out of 5 stars (25)
14,656 users

Blur Featured

Protect your Passwords, Payments, and Privacy.

Rated 4 out of 5 stars (808)
152,814 users

Cleanest Addon Manager Featured

Cleanup your Addon Manager

Rated 5 out of 5 stars (143)
16,485 users

QuickMark Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (50)
11,436 users

Prevent Tab Overflow Featured

Make sure your tabs stay visible all the time.

Rated 5 out of 5 stars (62)
10,849 users

Desktop Messenger for WhatsApp™ Featured

WhatsApp™ Desktop provides an easy access to WhatsApp Web, and notifies you of incoming posts.

Rated 4 out of 5 stars (66)
74,992 users

Download YouTube Videos as MP4 Featured

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

Rated 4 out of 5 stars (470)
1,053,094 users

ipFood Requires Restart Featured

Simulate the use of a series of proxy changing at each new connection.

Rated 4 out of 5 stars (7)
58,979 users

FireGestures Requires Restart Featured

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Rated 4 out of 5 stars (982)
318,915 users

FindBar Tweak Featured

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Rated 5 out of 5 stars (317)
30,808 users

VimFx Featured

Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.

Rated 5 out of 5 stars (191)
20,488 users

iMacros for Firefox Featured

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (440)
673,402 users

Slim Add-ons Manager Featured

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (52)
8,579 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 (324)
115,940 users