Firefox Extension Softwares and Apps

Discover best Firefox Extension softwares, apps and websites.

Best Firefox Extension Softwares and Apps

For windows Mac Linux Web / Cloud Android iPhone iPad Chrome Firefox
Adblock Plus

Open Source

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

Free

DuckDuckGo is a privacy focused search engine.
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.
bit.ly

Freemium

Bitly is a link management platform.
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.
Flamory

Free Personal

Flamory saves a copy of every web page or file that you see on your screen.
Kifi

Free

Kifi creates a full-text index of every web page shared, making them easier to find in Slack, Google search.
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.
FireShot

Freemium

FireShot makes full web page screenshots.
Free YouTube Download

Freemium

Free YouTube Downloader is a small but effective application that quickly downloads videos without any hiccups.
Harakirimail

Free

Harakirimail is a free disposable email service.
Update Scanner

Open Source

Update Scanner is a Firefox addon to monitor web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
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…
elCurator

Freemium

elCurator let you bookmark, read and collaborate with ease.
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.
Feedly

Freemium

A content management platform for managing and sharing online articles and content.
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.
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.
Disconnect

Open Source

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

Open Source

Disconnect lets you search privately. Prevent search engines from tracking your searches.
Keefox

Open Source

KeeFox adds free, secure and easy to use password management features to Firefox.
Youtube Video and Audio Downloader

Open Source

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

Free

Camelcamelcamel is a website that tracks prices of products sold on Amazon.com.
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.
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.