Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1 157 365 felhasználó
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1 056 530 felhasználó
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.
162 397 felhasználó
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
126 568 felhasználó
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.
68 383 felhasználó
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
35 792 felhasználó
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!)
35 788 felhasználó
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
691 190 felhasználó
I don't care about cookies
Get rid of cookie warnings from almost all websites!
312 041 felhasználó
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
193 520 felhasználó
Absolute Enable Right Click & Copy
Force Enable Right Click & Copy
89 196 felhasználó
User-Agent Switcher
Easily override the browser's User-Agent string
63 818 felhasználó
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
62 502 felhasználó
Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
61 284 felhasználó
Adblock a Youtube™
Popular Adblock a Youtube™ Extension : Eltávolítja a videó hirdetések Youtube™ .
48 506 felhasználó
Mate Translate – translator, dictionary
Your all-in-one translator for web pages, highlighted text & Netflix subtitles. Translate and learn words in 103 languages.
33 952 felhasználó
RESTClient, a debugger for RESTful web services.
RESTClient has been completely rewritten for compatible with Firefox 57. Some functions are still missing (OAuth & OAuth 2.0 authentication).
32 420 felhasználó
uBlacklist
Blocks sites you specify from appearing in Google search results
31 642 felhasználó
Youtube Audio
Stream just the audio from YouTube to save bandwidth and battery life
30 355 felhasználó
h264ify
Makes YouTube stream H.264 videos instead of VP8/VP9 videos
25 948 felhasználó
10ten Japanese Reader (Rikaichamp)
Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.
22 008 felhasználó
BlockTube
YouTube™ Content Blocker Block channels and videos from YouTube™ Fast and easy
19 299 felhasználó
Redirector
Automatically redirects to user-defined urls on certain pages
16 344 felhasználó
Impulse Blocker
Block distracting websites. Just list the sites you want Impulse Blocker to pause or completely avoid.
16 293 felhasználó
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14 503 felhasználó