AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1 447 363 brukarar
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1 236 212 brukarar
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
891 910 brukarar
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
155 455 brukarar
EPUBReader
Read ePub files right in Firefox. No additional software needed!
125 888 brukarar
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.
102 027 brukarar
Simple Tab Groups
Create, modify, and quickly change tab groups
84 323 brukarar
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
75 954 brukarar
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
58 423 brukarar
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
43 620 brukarar
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!!!.
38 068 brukarar
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
31 484 brukarar
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
19 071 brukarar
Link Gopher
Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.
16 328 brukarar
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
12 094 brukarar
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
10 770 brukarar
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
734 155 brukarar
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's AI assistance. Get spell check, grammar check, generative AI, and more in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
672 087 brukarar
Cisco Webex-utvidelse
Bli med på Webex-møter med Firefox ™
669 078 brukarar
MetaMask – Crypto Wallet
The most secure wallet for crypto, NFTs, and DeFi, trusted by millions of users
385 742 brukarar
1Password: Password Manager
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
370 505 brukarar
I don't care about cookies
Get rid of cookie warnings from almost all websites!
270 686 brukarar
Ecosia — The search engine that plants trees 🌱
This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!
261 553 brukarar
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
170 958 brukarar