Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Toolbox for Google Play Store™
Enhances the Google Play Store™ with various features. The add-on will add optional APKMirror, Android Police, and Appbrain buttons to all Play Store app pages. Additionally, TGPS will tell you if an app you're looking at offers a beta program.
1,951 users
Turn Off the Lights
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. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
46,319 users
Passbolt
Passbolt is an open source password manager for teams. Find out more at https://www.passbolt.com
4,249 users
Forget Me Not - Forget cookies & other data
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
14,519 users
Classic Theme Restorer (Fx29-56)
Squared tabs, application button menu, add-on bar, small button view, old search and many more 'old' features for 'Firefox 29-56' only, not for Firefox Quantum (57+)! >Latest builds only on Github!<
191,632 users
Tab Groups
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
51,667 users
OmniSidebar
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
23,344 users
Puzzle Bars
Piece together all of your add-on buttons and extras into your browser window in exactly the way you want them!
995 users
UI Eraser
Hide Firefox User Interface.
34,229 users
Google Translate on Right Click
Selected any text on web pages and translate it to your preferred language with Google Translate.
2,836 users
![NewScrollbars (aka NoiaScrollbars) [Fx10-56]](https://addons.cdn.mozilla.net/user-media/addon_icons/354/354884-64.png?modified=mcrushed)
NewScrollbars (aka NoiaScrollbars) [Fx10-56]
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes". [ not compatible with Firefox / Thunderbird 57+ ]
41,577 users
Grab and Drag
Enables Adobe Acrobat-style grab and drag scrolling, Flick gestures, and Momentum scrolling in Firefox. Useful for (older) pen or touchscreen-based devices for which these gestures are not natively supported. Not useful on Windows 8 touch devices.
40,969 users