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Hoxx VPN Proxy

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Rated 5 out of 5 stars (2,977)
64,596 weekly downloads

Greasemonkey Requires Restart Featured

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Rated 4 out of 5 stars (1,159)
63,754 weekly downloads

Tampermonkey Compatible with Firefox 57+

Tampermonkey is the world's most popular userscript manager.

Rated 4 out of 5 stars (114)
12,617 weekly downloads

EPUBReader Compatible with Firefox 57+ Featured

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Rated 4 out of 5 stars (214)
8,100 weekly downloads

Selenium IDE Button Requires Restart

Just one simple toolbar button to open Selenium IDE. You need to have installed Selenium IDE: http://seleniumhq.org/projects/ide/

Rated 5 out of 5 stars (8)
7,930 weekly downloads

Session Manager

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Rated 4 out of 5 stars (474)
6,999 weekly downloads

Chrome Store Foxified

Enables the Google Chrome Store for Firefox. Point and click to install Chrome extensions straight into Firefox.

Rated 4 out of 5 stars (171)
5,990 weekly downloads

Flashblock Requires Restart

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Rated 4 out of 5 stars (1,142)
5,942 weekly downloads

Save as PDF Requires Restart

Lets you download web pages as PDF in one click.

Rated 2 out of 5 stars (141)
4,804 weekly downloads

YouTube Plus Compatible with Firefox 57+

YouTube with more freedom.

Rated 5 out of 5 stars (106)
4,559 weekly downloads

QuickNote Requires Restart

A simple note-taking extension.

Rated 5 out of 5 stars (174)
3,981 weekly downloads

PDF Mage Compatible with Firefox 57+

Save any page as PDF

Rated 4 out of 5 stars (69)
3,299 weekly downloads

Add-on Compatibility Reporter

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Rated 4 out of 5 stars (192)
3,232 weekly downloads

Firefox Pioneer Compatible with Firefox 57+

Pioneer is an opt-in program that allows collection of richer data from Firefox.

Rated 4 out of 5 stars (42)
3,166 weekly downloads

Translate This!

Translate the whole entire page or just a selection using Google Translate.

Rated 3 out of 5 stars (102)
2,413 weekly downloads

UnMHT

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 4 out of 5 stars (243)
2,266 weekly downloads

h264ify Compatible with Firefox 57+

Makes YouTube stream H.264 videos instead of VP8/VP9 videos

Rated 4 out of 5 stars (27)
2,212 weekly downloads

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 (684)
2,159 weekly downloads