List of Firefox add-ons with 100K-1M users
Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.
There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.
To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.
![AdGuard AdBlocker](https://addons.mozilla.org/user-media/addon_icons/520/520576-64.png?modified=mcrushed)
#1, AdGuard AdBlocker
![AdGuard AdBlocker](https://addons.mozilla.org/user-media/addon_icons/520/520576-64.png?modified=mcrushed)
![To Google Translate](https://addons.mozilla.org/user-media/addon_icons/445/445852-64.png?modified=mcrushed)
#2, To Google Translate
![To Google Translate](https://addons.mozilla.org/user-media/addon_icons/445/445852-64.png?modified=mcrushed)
![Ghostery – Privacy Ad Blocker](https://addons.mozilla.org/user-media/addon_icons/9/9609-64.png?modified=3e27332a)
#3, Ghostery – Privacy Ad Blocker
![Ghostery – Privacy Ad Blocker](https://addons.mozilla.org/user-media/addon_icons/9/9609-64.png?modified=3e27332a)
![Facebook Container](https://addons.mozilla.org/user-media/addon_icons/954/954390-64.png?modified=97d4c956)
#4, Facebook Container
![Facebook Container](https://addons.mozilla.org/user-media/addon_icons/954/954390-64.png?modified=97d4c956)
![Language: Deutsch (German)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
#5, Language: Deutsch (German)
![Language: Deutsch (German)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
![Cisco Webex Extension](https://addons.mozilla.org/user-media/addon_icons/735/735601-64.png?modified=3d8fe326)
#6, Cisco Webex Extension
![Cisco Webex Extension](https://addons.mozilla.org/user-media/addon_icons/735/735601-64.png?modified=3d8fe326)
![Language: Français (French)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
#7, Language: Français (French)
![Language: Français (French)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
![Honey](https://addons.mozilla.org/user-media/addon_icons/415/415198-64.png?modified=mcrushed)
#8, Honey
![Honey](https://addons.mozilla.org/user-media/addon_icons/415/415198-64.png?modified=mcrushed)
![Grammarly: AI Writing and Grammar Checker App](https://addons.mozilla.org/user-media/addon_icons/566/566314-64.png?modified=6abb09f6)
#9, Grammarly: AI Writing and Grammar Checker App
![Grammarly: AI Writing and Grammar Checker App](https://addons.mozilla.org/user-media/addon_icons/566/566314-64.png?modified=6abb09f6)
![Bitwarden Password Manager](https://addons.mozilla.org/user-media/addon_icons/735/735894-64.png?modified=27707d93)
#10, Bitwarden Password Manager
![Bitwarden Password Manager](https://addons.mozilla.org/user-media/addon_icons/735/735894-64.png?modified=27707d93)
#11, Activist – Balanced
![IDM Integration Module](https://addons.mozilla.org/user-media/addon_icons/797/797233-64.png?modified=5769629f)
#12, IDM Integration Module
![IDM Integration Module](https://addons.mozilla.org/user-media/addon_icons/797/797233-64.png?modified=5769629f)
![Return YouTube Dislike](https://addons.mozilla.org/user-media/addon_icons/2729/2729178-64.png?modified=aa0eaf60)
#13, Return YouTube Dislike
![Return YouTube Dislike](https://addons.mozilla.org/user-media/addon_icons/2729/2729178-64.png?modified=aa0eaf60)
![Tampermonkey](https://addons.mozilla.org/user-media/addon_icons/683/683490-64.png?modified=1625638973)
#14, Tampermonkey
![Tampermonkey](https://addons.mozilla.org/user-media/addon_icons/683/683490-64.png?modified=1625638973)
![TWP - Translate Web Pages](https://addons.mozilla.org/user-media/addon_icons/2623/2623538-64.png?modified=8be60eed)
#15, TWP - Translate Web Pages
![TWP - Translate Web Pages](https://addons.mozilla.org/user-media/addon_icons/2623/2623538-64.png?modified=8be60eed)
![Norton Safe Web](https://addons.mozilla.org/user-media/addon_icons/746/746257-64.png?modified=1652686460)
#16, Norton Safe Web
![Norton Safe Web](https://addons.mozilla.org/user-media/addon_icons/746/746257-64.png?modified=1652686460)
![Enhancer for YouTube™](https://addons.mozilla.org/user-media/addon_icons/700/700308-64.png?modified=4bc8e79f)
#17, Enhancer for YouTube™
![Enhancer for YouTube™](https://addons.mozilla.org/user-media/addon_icons/700/700308-64.png?modified=4bc8e79f)
![Language: Русский (Russian)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
#18, Language: Русский (Russian)
![Language: Русский (Russian)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
![Easy Youtube Video Downloader Express](https://addons.mozilla.org/user-media/addon_icons/463/463677-64.png?modified=mcrushed)
#19, Easy Youtube Video Downloader Express
![Easy Youtube Video Downloader Express](https://addons.mozilla.org/user-media/addon_icons/463/463677-64.png?modified=mcrushed)
![Capital One Shopping: Save Now](https://addons.mozilla.org/user-media/addon_icons/950/950733-64.png?modified=56d32e99)
#20, Capital One Shopping: Save Now
![Capital One Shopping: Save Now](https://addons.mozilla.org/user-media/addon_icons/950/950733-64.png?modified=56d32e99)
![Language: Português (BR)](https://addons.mozilla.org/user-media/addon_icons/4/4851-64.png?modified=1721940249)
#21, Language: Português (BR)
![Language: Português (BR)](https://addons.mozilla.org/user-media/addon_icons/4/4851-64.png?modified=1721940249)
![Language: Español (ES) (Spanish, Spain)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
#22, Language: Español (ES) (Spanish, Spain)
![Language: Español (ES) (Spanish, Spain)](https://addons.mozilla.org/static-server/img/addon-icons/default-64.d144b50f2bb8.png)
![LastPass Password Manager](https://addons.mozilla.org/user-media/addon_icons/8/8542-64.png?modified=mcrushed)
#23, LastPass Password Manager
![LastPass Password Manager](https://addons.mozilla.org/user-media/addon_icons/8/8542-64.png?modified=mcrushed)
![Malwarebytes Browser Guard](https://addons.mozilla.org/user-media/addon_icons/920/920304-64.png?modified=8117c418)
#24, Malwarebytes Browser Guard
![Malwarebytes Browser Guard](https://addons.mozilla.org/user-media/addon_icons/920/920304-64.png?modified=8117c418)
![AdBlocker for YouTube™](https://addons.mozilla.org/user-media/addon_icons/599/599154-64.png?modified=a898f7bf)
#25, AdBlocker for YouTube™
![AdBlocker for YouTube™](https://addons.mozilla.org/user-media/addon_icons/599/599154-64.png?modified=a898f7bf)