
Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
37,481 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
37,284 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
191,704 users
Custom Scrollbars
Give Firefox a personal touch with customized scrollbars!
19,179 users
1,363 users
570 users
2,143 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
143,493 users
Tree Style Tab
Show tabs like a tree.
183,996 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
157,535 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
74,202 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
867,428 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
475,173 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
930,916 users
Augmented Steam
Augments your Steam Experience
59,962 users
23 users
75 users
660 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,200,201 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
191,704 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
38,397 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
62,685 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
475,173 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)
78,172 users
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.
44,777 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
35,069 users