- 60 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... - 101,169 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. - 237,196 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 - 20,250 users
- Firefox Color- Build, save and share beautiful Firefox themes. - 113,766 users
- 14,954 users
- Firefox Translations- Translate websites in your browser, privately, without using the cloud. The functionality from this extension is now integrated into Firefox. - 65,367 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. - 211,812 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. - 379,992 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. - 10,375 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! - 6,970 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. - 45,330 users
- 1,046 users
- 1,042 users
- Show Video Controls for Firefox- Automatically enables video controls when playing html webm videos. - 2,430 users
- Notefox: websites notes- Take notes on every website in a smart and simple way! - 656 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. - 1,302,011 users
- Language: Українська (Ukrainian)- Firefox Language Pack for Українська (uk) – Ukrainian - 250,486 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. - 166,121 users
- Browsec VPN - Free VPN for Firefox- Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN extension, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want. - 487,715 users
- Notes by Firefox- Displays a sidebar that lets you take notes on web pages. - 20,546 users
- 19,189 users
- Todoist for Firefox- Organize work and life with Todoist for Firefox - 13,695 users
- Ophirofox- Lire les articles du monde grâce à sa connexion europresse de l'ENS. - 2,879 users
- Forecastfox - Weather Forecast- International weather forecasts with easy and convenient settings - 10,758 users



















