Extensions by Weekly Downloads

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Save as PDF Requires Restart

Lets you download web pages as PDF in one click.

Rated 2 out of 5 stars (145)
6,182 weekly downloads

µBlock

NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Rated 4 out of 5 stars (232)
6,054 weekly downloads

DuckDuckGo Plus Featured

DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.

Rated 4 out of 5 stars (170)
6,033 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)
5,809 weekly downloads

Fireforce Requires Restart

brute-force attacks on GET or POST forms

Rated 3 out of 5 stars (16)
5,794 weekly downloads

Free Flash, Unity3D and html5 games

Best Unity3D, Flash and html5 games. This add-on opens game panel with a single click. New games every day! Very easy to use!

Rated 5 out of 5 stars (1)
5,790 weekly downloads

Tiny JavaScript Debugger Requires Restart

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Rated 4 out of 5 stars (7)
5,779 weekly downloads

Bluhell Firewall Featured

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (330)
5,748 weekly downloads

Magic Actions for YouTube™

Enhance your YouTube watching experience! Auto HD, Ad Block, Cinema Mode, Mouse Wheel Volume Control, Screenshot...

Rated 5 out of 5 stars (147)
5,688 weekly downloads

Flash Video Player for Facebook™

Flash Video Player for Facebook™ is a powerful tool that will let you choose Flash video player as default Facebook video player.

Rated 3 out of 5 stars (2)
5,663 weekly downloads

Fasterfox Requires Restart

STILL WORKS FLAWLESSLY AS OF 12-5-2016
The One; The Original Fasterfox Gives performance & network tweaks for Firefox. Fasterfox makes your browsing so much faster!
Make your Sites Faster than a Fox with Fasterfox for FireFox!

Rated 4 out of 5 stars (94)
5,607 weekly downloads

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 (151)
5,417 weekly downloads

Youtube Downloader mp3

Easy to use youtube video to mp3 downloader

Rated 2 out of 5 stars (17)
5,389 weekly downloads

SurfEarner

Расширение позволяет зарабатывать реальные деньги за просмотр рекламы. Вывод денег на Qiwi, Webmoney, Яндекс.Деньги и Perfect Money.

Rated 3 out of 5 stars (44)
5,343 weekly downloads

signTextJS

window.crypto.signText replacement

Rated 4 out of 5 stars (20)
5,255 weekly downloads

Media Converter and Muxer

Media Converter and Muxer is an easy to use video and audio converter and muxer.

Rated 3 out of 5 stars (33)
5,250 weekly downloads

TubeBuddy Plugin

TubeBuddy is a browser extension built for YouTube creators that can save hours of time, help optimize videos, help engage with your audience and a whole lot more.

Rated 4 out of 5 stars (13)
5,219 weekly downloads

xThunder Requires Restart

Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.

Rated 5 out of 5 stars (87)
5,194 weekly downloads

Hide My IP VPN

Hide My IP VPN is number one tool for hiding your IP and unblocking any web site!

Rated 4 out of 5 stars (18)
5,192 weekly downloads

Google™ Translator Featured

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

Rated 4 out of 5 stars (151)
5,168 weekly downloads