Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
28,870 users
Flash Player
Flash Player runs and saves any flash file across the web. The Addon allows you to add any flash file into the app's playlist and access them on any website by simply clicking an extension icon.
53,695 users
Runet Censorship Bypass
This extension allows bypassing censorship of Russian government (i.e. only sites blocked by RosKomNadzor, RKN), giving you access to libraries, encyclopedias, oppositional political sites, and to innocent sites blocked to many reasons.
27,862 users
Language: English (US)
Firefox Language Pack for English (US) (en-US)
2,262,611 users
TTV LOL PRO
TTV LOL PRO removes most livestream ads from Twitch.
35,739 users
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
65,343 users
YouTube mp3
The YouTube-mp3 Add-on generates a "MP3" button on YouTube. Convert YouTube to mp3 and download the file to your device.
34,609 users
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
13,958 users
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
161,987 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
60,561 users
AVG Online Security
AVG Browser Security and Web Reputation Plugin. Offering protection against known phishing and malware sites, improving your browsing overall browsing experience with crowd sourced web reputation rating.
69,592 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
56,398 users
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
10,690 users
Vimium
The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Vim.
36,336 users
Song Identifier
Music recognition. Like shazam or soundhound.
28,520 users
Keeper® Password Manager & Digital Vault
Protect and autofill passwords with the world's most trusted and #1 downloaded secure password manager and digital vault.
48,053 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
33,404 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
63,010 users
Gesturefy
Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.
92,157 users
Language: English (GB)
Firefox Language Pack for English (GB) (en-GB)
1,704,844 users
220 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
208,566 users
Video Downloader Pro
Video Downloader helps to download any video and music from most websites! Fast, easy, free!
32,412 users
Brazilian Portuguese Dictionary (New Spelling)
The same spellchecker shipped with the Brazilian version of Firefox.
72,852 users