353 users
Firefox Translations
Translate websites in your browser, privately, without using the cloud. The functionality from this extension is now integrated into Firefox.
311,531 users
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
208,797 users
288 users
Firefox Color
Build, save and share beautiful Firefox themes.
116,283 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
366,760 users
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
7,560 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.
42,642 users
Xdebug Helper for Firefox
This extension is very useful for PHP developers that are using PHP tools with Xdebug support like PHPStorm, Eclipse with PDT, Netbeans and MacGDBp or any other Xdebug compatible profiling tool like KCacheGrind, WinCacheGrind or Webgrind.
20,148 users
RikaiRebuilt
Featuring a built in Japanese dictionary with support to hear audio recordings of Japanese words from JDIC as well as the ability to import words in to the flashcard app Anki, this is a port of the old Firefox addon "Rikaisama"
452 users
3,481 users
Fireburp
Adds an http header to each request to highlight them in Burp Proxy https://github.com/rumiljonov/fireburp
43 users
VisBug
Open source browser design tools
2,819 users
746 users
AdBlock for Firefox
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
1,191,926 users
48 users
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34,292 users
Language: Українська (Ukrainian)
Firefox Language Pack for Українська (uk) – Ukrainian
266,004 users
Firebook
Export web pages as e-books.
19 users
Google Translator for Firefox
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
223,706 users
Notes by Firefox
Displays a sidebar that lets you take notes on web pages.
22,701 users
Todoist for Firefox
Organize work and life with Todoist for Firefox
21,630 users
Browsec VPN - Free VPN for Firefox
Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.
485,173 users