Brazilian Portuguese Dictionary (New Spelling)
The same spellchecker shipped with the Brazilian version of Firefox.
80,156 users
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
40,864 users
Flash Player 2022
Play Flash anytime, even in 2022 and beyond, using an emulator. Want to fix "Adobe Flash Player is blocked" messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
39,612 users
DocsAfterDark - Google Docs Dark Mode
Modern, dark mode for Google Docs
34,443 users
ModHeader
Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles
20,595 users
TunnelBear VPN
TunnelBear is a simple app that helps you browse the Internet privately and securely. TunnelBear changes your IP and protects your browsing data from online threats, letting you access your favorite websites and apps worldwide.
19,004 users
Hide My IP Free
Hide Your IP Address and Unblock Websites for Free with the Hide My IP proxy and VPN IP network. Thousands of IPs around the world to choose from. Access your favorite streaming sites by changing your IP location. No ads or limitations.
8,624 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
50,481 users
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.
17,276 users
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
30,721 users
Bypass Paywalls for Firefox
Bypass Paywalls of over 200 news sites and more
6,215 users
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
41,327 users
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
11,984 users
Adblock for Youtube™
Popular Adblock for Youtube™ Extension: Removes the video ads from Youtube™. Thanks to all AdBlock supporters!
49,076 users
Disconnect
Make the web faster, more private, and more secure.
97,976 users
FastForward
Don't waste time with compliance. Use FastForward to skip annoying URL "shorteners".
42,071 users
vidIQ Vision for YouTube
With insights and metrics that go beyond YouTube Analytics, vidIQ Vision delivers a comprehensive optimization report card for any YouTube video via your Firefox browser!
42,071 users
JavaScript-Java Bridge
A replacement for the Java Plugin so Java Applets without graphics continue to work on browsers that no longer support NPAPI plugins. Java's LiveConnect API is emulated — data & method calls can be exchanged, and Java can manipulate the webpage DOM.
35,491 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
65,365 users
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
64,921 users
1,780 users
HackBar V2
[No License, FOREVER FREE] A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. You can ask request here: https://github.com/Hack-Free/HackBar
10,395 users
YouTube Downloader (UDL Helper)
Download YouTube / Instagram / Odnoklassniki videos and extract audio from video with just a few mouse clicks. Supported media formats are MP3, MP4, WEBM. Capture frames from online videos with a screenshot button.
13,721 users
Language: Français (French)
Firefox Language Pack for Français (fr) – French
949,878 users
Norton AntiTrack
Feel like you have little to no control over what information the sites you visit collect and share? Norton AntiTrack can help.
42,846 users