The top 25 most used Firefox add-on in Social & Communication category
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.
![Return YouTube Dislike](https://addons.mozilla.org/user-media/addon_icons/2729/2729178-64.png?modified=aa0eaf60)
#1, Return YouTube Dislike
![Return YouTube Dislike](https://addons.mozilla.org/user-media/addon_icons/2729/2729178-64.png?modified=aa0eaf60)
![Grammar and Spell Checker - LanguageTool](https://addons.mozilla.org/user-media/addon_icons/708/708770-64.png?modified=4f881970)
#2, Grammar and Spell Checker - LanguageTool
![Grammar and Spell Checker - LanguageTool](https://addons.mozilla.org/user-media/addon_icons/708/708770-64.png?modified=4f881970)
![RoboForm Password Manager](https://addons.mozilla.org/user-media/addon_icons/823/823490-64.png?modified=4cdda5b9)
#3, RoboForm Password Manager
![RoboForm Password Manager](https://addons.mozilla.org/user-media/addon_icons/823/823490-64.png?modified=4cdda5b9)
![Webmail Ad Blocker](https://addons.mozilla.org/user-media/addon_icons/7/7560-64.png?modified=mcrushed)
#4, Webmail Ad Blocker
![Webmail Ad Blocker](https://addons.mozilla.org/user-media/addon_icons/7/7560-64.png?modified=mcrushed)
![Copy PlainText](https://addons.mozilla.org/user-media/addon_icons/803/803128-64.png?modified=mcrushed)
#5, Copy PlainText
![Copy PlainText](https://addons.mozilla.org/user-media/addon_icons/803/803128-64.png?modified=mcrushed)
![PocketTube: Youtube Subscription Manager](https://addons.mozilla.org/user-media/addon_icons/908/908011-64.png?modified=df4b9b28)
#6, PocketTube: Youtube Subscription Manager
![PocketTube: Youtube Subscription Manager](https://addons.mozilla.org/user-media/addon_icons/908/908011-64.png?modified=df4b9b28)
![Clippings](https://addons.mozilla.org/user-media/addon_icons/1/1347-64.png?modified=52bf1d4f)
#7, Clippings
![Clippings](https://addons.mozilla.org/user-media/addon_icons/1/1347-64.png?modified=52bf1d4f)
![Minimal Theme for 𝕏 / Twitter](https://addons.mozilla.org/user-media/addon_icons/2590/2590608-64.png?modified=2fadd16d)
#8, Minimal Theme for 𝕏 / Twitter
![Minimal Theme for 𝕏 / Twitter](https://addons.mozilla.org/user-media/addon_icons/2590/2590608-64.png?modified=2fadd16d)
![FoxClocks](https://addons.mozilla.org/user-media/addon_icons/1/1117-64.png?modified=1562697236)
#9, FoxClocks
![FoxClocks](https://addons.mozilla.org/user-media/addon_icons/1/1117-64.png?modified=1562697236)
![Facebook Container](https://addons.mozilla.org/user-media/addon_icons/954/954390-64.png?modified=97d4c956)
#10, Facebook Container
![Facebook Container](https://addons.mozilla.org/user-media/addon_icons/954/954390-64.png?modified=97d4c956)
![Grammarly: AI Writing and Grammar Checker App](https://addons.mozilla.org/user-media/addon_icons/566/566314-64.png?modified=6abb09f6)
#11, 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)
![LastPass Password Manager](https://addons.mozilla.org/user-media/addon_icons/8/8542-64.png?modified=mcrushed)
#12, LastPass Password Manager
![LastPass Password Manager](https://addons.mozilla.org/user-media/addon_icons/8/8542-64.png?modified=mcrushed)
![Browsec VPN - Free VPN for Firefox](https://addons.mozilla.org/user-media/addon_icons/603/603434-64.png?modified=a991f3cb)
#13, Browsec VPN - Free VPN for Firefox
![Browsec VPN - Free VPN for Firefox](https://addons.mozilla.org/user-media/addon_icons/603/603434-64.png?modified=a991f3cb)
![MetaMask](https://addons.mozilla.org/user-media/addon_icons/725/725460-64.png?modified=e941b630)
#14, MetaMask
![MetaMask](https://addons.mozilla.org/user-media/addon_icons/725/725460-64.png?modified=e941b630)
![BetterTTV](https://addons.mozilla.org/user-media/addon_icons/624/624952-64.png?modified=dc48df58)
#15, BetterTTV
![BetterTTV](https://addons.mozilla.org/user-media/addon_icons/624/624952-64.png?modified=dc48df58)
![Reddit Enhancement Suite](https://addons.mozilla.org/user-media/addon_icons/387/387429-64.png?modified=1711392478)
#16, Reddit Enhancement Suite
![Reddit Enhancement Suite](https://addons.mozilla.org/user-media/addon_icons/387/387429-64.png?modified=1711392478)
![Zoom Extension](https://addons.mozilla.org/user-media/addon_icons/880/880806-64.png?modified=1a51d071)
#17, Zoom Extension
![Zoom Extension](https://addons.mozilla.org/user-media/addon_icons/880/880806-64.png?modified=1a51d071)
![Google Translator for Firefox](https://addons.mozilla.org/user-media/addon_icons/46/46308-64.png?modified=1614897803)
#18, Google Translator for Firefox
![Google Translator for Firefox](https://addons.mozilla.org/user-media/addon_icons/46/46308-64.png?modified=1614897803)
![Firefox Relay](https://addons.mozilla.org/user-media/addon_icons/2633/2633704-64.png?modified=9e29c4f6)
#19, Firefox Relay
![Firefox Relay](https://addons.mozilla.org/user-media/addon_icons/2633/2633704-64.png?modified=9e29c4f6)
![Pinterest Save Button](https://addons.mozilla.org/user-media/addon_icons/622/622456-64.png?modified=e3ed6f21)
#20, Pinterest Save Button
![Pinterest Save Button](https://addons.mozilla.org/user-media/addon_icons/622/622456-64.png?modified=e3ed6f21)
![FireShot: Full Web Page Screenshots (♥♥♥♥♥)](https://addons.mozilla.org/user-media/addon_icons/5/5648-64.png?modified=1685925302)
#21, FireShot: Full Web Page Screenshots (♥♥♥♥♥)
![FireShot: Full Web Page Screenshots (♥♥♥♥♥)](https://addons.mozilla.org/user-media/addon_icons/5/5648-64.png?modified=1685925302)
![Hoxx VPN Proxy](https://addons.mozilla.org/user-media/addon_icons/680/680403-64.png?modified=1590176873)
#22, Hoxx VPN Proxy
![Hoxx VPN Proxy](https://addons.mozilla.org/user-media/addon_icons/680/680403-64.png?modified=1590176873)
![DeepL Translate: Reading & writing translator](https://addons.mozilla.org/user-media/addon_icons/2804/2804910-64.png?modified=0a0e3fbf)
#23, DeepL Translate: Reading & writing translator
![DeepL Translate: Reading & writing translator](https://addons.mozilla.org/user-media/addon_icons/2804/2804910-64.png?modified=0a0e3fbf)
![ImTranslator: Translator, Dictionary, TTS](https://addons.mozilla.org/user-media/addon_icons/2/2257-64.png?modified=cfed2bac)
#24, ImTranslator: Translator, Dictionary, TTS
![ImTranslator: Translator, Dictionary, TTS](https://addons.mozilla.org/user-media/addon_icons/2/2257-64.png?modified=cfed2bac)
![VPN VeePN - Free VPN for Firefox](https://addons.mozilla.org/user-media/addon_icons/2590/2590333-64.png?modified=95435e6d)
#25, VPN VeePN - Free VPN for Firefox
![VPN VeePN - Free VPN for Firefox](https://addons.mozilla.org/user-media/addon_icons/2590/2590333-64.png?modified=95435e6d)