FoxFilter
Recently called "THE Parental Control for Firefox"! FoxFilter is a personal content filter that helps block pornographic and other inappropriate content.
2,740 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
114,754 users
Firefox Translations
Translate websites in your browser, privately, without using the cloud. The functionality from this extension is now integrated into Firefox.
313,384 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.
209,643 users
FoxyTab
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
21,103 users
Firefox Color
Build, save and share beautiful Firefox themes.
116,123 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
207,836 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.
367,768 users
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
11,753 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!
7,541 users
Forecastfox (fix version)
Get international weather updates (via AccuWeather.com) displayed right in Firefox with this highly customizable extension.
18,081 users
Recipe Filter
This extension will detect recipes on any page you visit and will highlight them at the top of the page. No more hunting for the actual recipe when you visit a long-winded food blog! Fork of the excellent chrome extension.
4,135 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.
42,630 users
ytcFilter
When Youtube chat is too fast
1,745 users
Search Filter
Allows you to make specified domains STAND OUT or DISAPPEAR from Google, DuckDuckGo, Bing, and StartPage search results.
1,510 users
FortiClient WebFilter
This extension will give Forticlient web filter function under firefox.
3,618 users
Filter Affinity
Filters out unwanted artists/images while browsing on Furaffinity.net
628 users
Web Filter for Firefox
Web Filter for Firefox enables our SPIN Safe Browser's leading web filtering technology for Firefox users looking for a safe web surfing experience.
279 users
Filtering+ for Tumblr
Filter tags or post content via right-click
620 users
DeviantArt Filter
Allows automatic filtering/removal of deviations from certain users
489 users
Web Site Filter
A content filter for websites. It has a number of key words, which it tries to find on the web page. For each word found, a score is incremented. If a certain limit is passed, the page is blocked with a very simple message.
129 users
Advanced Profanity Filter
Advanced Profanity Filter helps to clean up bad language on the websites you and your family visit.
1,138 users
559 users
96 users
Duck Duck Go Filter
It prevents certains sites/urls to be shown among duck duck go search results
91 users