![](https://cdn.statically.io/img/addons.mozilla.org/user-media/hero-featured-image/Gesturefy2x.jpg?modified=1602004953)
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
60.016 utents
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1.394.663 utents
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
31.213 utents
Custom Scrollbars
Give Firefox a personal touch with customized scrollbars!
25.096 utents
667.343 utents
430.507 utents
375.973 utents
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
469.886 utents
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
447.877 utents
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
564.012 utents
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
125.615 utents
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.055.818 utents
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
151.557 utents
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
31.528 utents
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
72.763 utents
379 utents
936 utents
257 utents
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
333.429 utents
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
324.896 utents
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
63.360 utents
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.
33.936 utents
Block Site
A customizable, password-protected website blocker and redirector.
66.767 utents
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
57.071 utents
Feedbro - RSS Feed Reader
Advanced Feed Reader - Read news, blogs, social media or any RSS/Atom/RDF source.
43.676 utents
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
41.308 utents