Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me
34,304 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.
30,434 users
Webmail Ad Blocker
Block ads on the right side of the screen when using Gmail, Yahoo Mail, Hotmail and Outlook.com which expand your message space
29,558 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
29,360 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24,564 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
21,285 users
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
19,283 users
Snap Links Plus
Select a number of links with a rectangle and open them in new tabs. You can also lasso checkboxes to quickly check or uncheck them. Works with radio buttons as well.
17,390 users
YouTube Screenshot Button
Take screenshots from YouTube Videos & YouTube Shorts. The addon adds screenshot button & also enables Shift+A shortcut.
16,715 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
13,257 users
ScrollAnywhere
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
12,577 users
Forecastfox - Weather Forecast
International weather forecasts with easy and convenient settings
11,653 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
320,493 users
I still don't care about cookies
Community version of the popular extension "I don't care about cookies" https://github.com/OhMyGuus/I-Dont-Care-About-Cookies
110,074 users
Video Speed Controller
Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
105,838 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
101,227 users
Plasma Integration
Multitask efficiently by controlling browser functions from the Plasma desktop.
82,065 users
