Firefox Extension Mac OS X Softwares

Discover best Firefox Extension Mac OS X softwares, apps and websites.

Best Firefox Extension Mac OS X Softwares

Adblock Plus

Open Source

Adblock Plus is browser extension which will block Ads and popups while browsing the internet.
XMarks

Freemium

XMarks is a cloud based bookmark management platform.
Greasemonkey

Open Source

Greasemonkey is a Mozilla Firefox extension that allows users to install scripts that make on-the-fly changes to web page content.
Video DownloadHelper

Freemium

Video DownloadHelper is an extension for the Firefox web browser to download videos.
Mercury Reader

Free

Mercury Reader extension for Chrome (formerly Readability) removes ads and distractions, leaving only text and images.
Firefox PDF Viewer (PDF.js)

Open Source

PDF.js. A general-purpose, web standards-based platform for parsing and rendering PDFs.
µMatrix

Open Source

uMatrix is a point-and-click matrix-based firewall, with many privacy-enhancing tools.
Flashblock

Free

Flashblock is a content-filtering Firefox extension for Mozilla Firefox and SeaMonkey.
anonymoX

Freemium

AnonymoX is an initiative for anonymization in the internet. The aim is to restore the users right of anonymity in the web.
SemanticScuttle

Open Source

SemanticScuttle is a social bookmarking tool experimenting with features like structured tags and collaborative tag descriptions.
Awesome Screenshot

Freemium

Awesome Screenshot is the highest-rated screen capture & image annotation tool on Chrome with over 2 million users.
FVD Speed Dial

Free

FVD Speed Dial is a Speed dial extension including Tab Page Replacement with 3D Speed Dial and predefined images, sync and organizes your bookmarks, groups, a…
FEBE

Free

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions.
LanguageTool

Open Source

LanguageTool is an Open Source proofreading software for English, French, German, Polish, Russian, and more than 20 other languages.
Ubiquity

Open Source

Ubiquity is an extension that allows for the use of dynamic commands in Firefox.
Nimbus Screenshot and Screencast

Free

Capture the web page, either part of it or the whole browser window, edit your screenshots in a very user-friendly interface. Record screencasts - record vide…
Mailvelope

Open Source

Mailvelope is a free software for end-to-end encryption of email traffic inside of a web browser (Firefox or Chromium) that integrates itself into existing we…
Easy Youtube Video Downloader Express

Freemium

Easy Youtube Video Downloader is a cross-browser, cross-platform and free web-browser add-on to perform conversion on external servers.
Cliqz

Free

Cliqz is a web browser which is a fork of the Firefox web browser with privacy-oriented changes, among which are a crowdsourced anti-tracking mechanism, and a…
Lightbeam for Firefox

Open Source

Lightbeam for Firefox is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web.
Random Agent Spoofer

Open Source

Random Agent Spoofer is a privacy enhancing firefox addon which aims to hinder browser fingerprinting.
Download Status Bar

Free

Download Status Bar manages every aspect of your download.
NetVideoHunter

Open Source

NetVideoHunter is a music and video downloader.
DownThemAll

Open Source

DownThemAll is a browser extension fro downloading files on a page.
Firebug

Open Source

Firebug is a browser extension to debug web applications.
Pencil Project

Open Source

Pencil Project is an open-source GUI prototyping tool.
uBlock

Open Source

uBlock Origin is a free and open source, cross-platform browser extension for content-filtering, including ad-blocking.
Buffer

Freemium

Buffer is a software application for the web and mobile, designed to manage accounts in social networks, by providing the means for a user to schedule posts.
Disconnect

Open Source

Disconnect lets you visualize and block the invisible sites that track your search and browsing history.
Adblock Edge

Open Source

Edge AdBlock allows you to block ads in the Microsoft Edge browser (Project Spartan).
FlashGot

Open Source

FlashGot is a free and open source add-on for Mozilla Firefox meant to handle single and massive downloads with several external download managers.
AddThis

Freemium

AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Bluhell Firewall

Open Source

Bluhell Firewall is a lightweight Ad-Blocker and Tracking/Privacy tool.
Youtube Video and Audio Downloader

Open Source

Youtube Video and Audio Downloader is an open-source project, downloading Youtube videos.
UnMHT

Open Source

UnMHT adds MHT file reading/writing support to Firefox and SeaMonkey.
ProxMate

Commercial

ProxMate is an extensive browser extension for proxy management.
PassIFox & ChromeIPass

Open Source

chromeIPass. is an extension for the browser Google Chrome to send and receive credentials from KeePass(XC).
FireGestures

Open Source

FireGestures is a Firefox extension which enables you to execute various commands with six types of gestures.
Ant Video Downloader

Free

Ant Video Downloader is an easy video downloader from multiple sites including Youtube.
Add to Search Bar

Open Source

Add to Search Bar lets you add the search functionality of any page to the search box with no effort.
Gmail Notifier (restartless)

Open Source

Gmail Notifier (restartless) is an open-source project that notifies you about incoming emails from all your Google Mail accounts and labels.
Save Text To File

Open Source

Save Text To File is a Firefox addon that saves highlighted text to a file in a specified directory.
cliget

Open Source

cliget is a Firefox addon that generates curl/wget commands that emulate the request as though it's coming from your browser allowing you to download protecte…
Element Hiding Helper for Adblock Plus

Open Source

Element Hiding Helper for Adblock Plus a helper extension for Adblock plus extension.
Karma Blocker

Open Source

Karma Blocker is a browser extension to reduce distractions while browsing.