YouTube Flash Video Player
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
View Image
Re-implements the google image, "View Image" and "Search by Image" buttons.
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
Media Converter and Muxer - Audio Tools
Easy to use video and audio converter and muxer written in WebExtension built on top of the well-known FFmpeg converter
Ruffle
Puts Flash back on the web where it belongs. Ruffle is an Adobe Flash Player emulator. Ruffle seamlessly plays Flash content on sites you visit. Enjoy your favorite Flash games from yesteryear!
IE View WE
Provides ability to open pages and links by Internet Explorer (Cloned IE View based on WebExtensions-based)
Web Apps by 123apps
Edit, Convert, Create
Open in VLC media player
Adds a context menu item to send audio/video streams directly to VLC media player
JSONView
View JSON documents in the browser.
Consent-O-Matic
Automatic handling of GDPR consent forms
YouTube mp3 Downloader
The YouTube mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a mp3 with just one click. Compatible with new FireFox Quantum 57+
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
Save as PDF
Lets you download web pages as PDF in one click.
PDF Mage
Save any page as PDF
Twitter Media Downloader
Download images/videos of user's media-timeline on Twitter.
Quick Recipe Hub & Custom Web Search
Add the Quick Recipe Hub & Custom Web Search extension and access a wide variety of food recipes by clicking the favicon on the toolbar & enjoy access to Yahoo® search from your browser.
CORS Everywhere
A firefox addon allowing the user to enable CORS everywhere by altering http responses. Report issues to the repository, with enough information to reproduce the problem: https://github.com/spenibus/cors-everywhere-firefox-addon/issues
Video Downloader Prime
Easily download most popular video formats.
Runet Censorship Bypass
This extension allows bypassing censorship of Russian government (i.e. only sites blocked by RosKomNadzor, RKN), giving you access to libraries, encyclopedias, oppositional political sites, and to innocent sites blocked to many reasons.
Notes by Firefox
Displays a sidebar that lets you take notes on web pages.
VPN add-on
Anonymous, secure and unrestricted VPN service! Unblock websites and access unlimited content with a free VPN by uVPN
XDM Browser Monitor
XDM integration module for Firefox Quantum.This addon should be used with XDM 2018 and higher to take over download from Firefox.Please visit https://github.com/subhra74/xdm for more information.
S3.Translator
S3.Translator adds the power of Google Translate’s automatic translations to your browser! It supports translation of selected text, entered phrase or whole webpage between any of 100+ languages. New Feature: Language learning!
Wayback Machine
Welcome to the Official Internet Archive Wayback Machine Browser Extension! Go back in time to see how a website has changed through the history of the Web. Save websites, view missing 404 Not Found pages, or read archived books & papers.
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Edge Translate
Translate what you want.
