Featured Extensions

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QuickJava Requires Restart Featured

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (206)
249,081 users

AdBlocker for YouTube™ Featured

AdBlocker for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (31)
312,236 users

Public Fox Requires Restart Featured

Block downloads, lock down bookmarks/addons/downloads with a password.

Rated 4 out of 5 stars (194)
184,429 users

QrCodeR Featured

Encode selection, links and images to QrCode with right-click.

Rated 5 out of 5 stars (70)
7,341 users

VimFx Featured

Vim-style keyboard shortcuts for browsing and navigation, significantly reducing the use of the mouse.

Rated 5 out of 5 stars (162)
14,656 users

YouTube No Buffer (Stop Autoplaying) Featured

A bulletproof approach to prevent YouTube from buffering videos

Rated 4 out of 5 stars (17)
14,136 users

QuickMark Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (45)
10,691 users

Mozilla Archive Format, with MHT and Faithful Save Requires Restart Featured

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Rated 4 out of 5 stars (312)
149,984 users

Capture & Print Featured

This add-on lets you print a webpage's area easily.

Rated 5 out of 5 stars (51)
44,927 users

Copy Plain Text 2 Requires Restart Featured

Copies text without formatting

Rated 5 out of 5 stars (66)
43,485 users

Keyword Search Featured

Search in the address bar without changing your search engine.

Rated 5 out of 5 stars (86)
9,183 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 on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (150)
37,059 users

Save Text To File Featured

Saves highlighted text to a file in the specified directory

Rated 5 out of 5 stars (96)
20,426 users

YouTube™ Flash-HTML5 Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 5 out of 5 stars (15)
45,314 users

Web2PDF Converter Requires Restart Featured

Web page to PDF conversion tool

Rated 3 out of 5 stars (98)
37,786 users

Facebook™ Disconnect Featured

Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.

Rated 5 out of 5 stars (16)
26,742 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 (261)
31,113 users

Reload Plus Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (80)
21,908 users

Pearltrees Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (245)
15,435 users

Multifox Featured

An extension that allows Firefox to connect to websites using different user names. Simultaneously.

*** Multifox 2 users: try the "Window Mode" (Addons - Multifox - Options) ***

Rated 4 out of 5 stars (99)
70,820 users