YouTube Download Plus
Download buttons for YouTube videos.
32,842 users
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
74,876 users
6,463 users
Polish Spellchecker Dictionary
Polish spell-check dictionary for Firefox, Thunderbird and SeaMonkey.
76,678 users
986 users
Progressive Web Apps for Firefox
A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
8,855 users
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
15,133 users
Open Multiple URLs
Opens a list of URLs
16,047 users
Open in IE
Open current page or link in Microsoft Internet Explorer browser
17,635 users
Cisco Webex Extension
Join Webex meetings using Firefox ™
987,426 users
6,257 users
YouTube to MP3
Download an mp3 audio file from any YouTube video with just one click!
4,036 users
Fakespot Fake Amazon Reviews and eBay Sellers
Protect yourself from bad sellers and fake reviews on Amazon and more!
43,603 users
Color Picker
Search for the perfect color via an stylish color picker in a popup.
11,090 users
Worldwide Radio
Listen to live radio stations from around the world!
39,250 users
Yandex search
Adds Yandex search as a search engine.
10,616 users
CustomTube - Restore the Old YouTube Layout
Choose your own YouTube layout, and more!
2,069 users
Yandex Search
Adds Yandex for search engines
11,813 users
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
23,320 users
Webmail Ad Blocker
Remove advertising clutter from your web-based email. Expand your viewable area by blocking and removing ads on the right-hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
28,276 users
375 users
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
25,365 users
Hide Youtube-Shorts
Hides YouTube-shorts videos from home page, subscriptions, search results.
22,778 users
Youtube 4K Downloader
Download any YouTube Video at (720p, 1080p, UHD, 60FPS, HDR, 2K, 4K, 8K) qualities and download audio extracted from video at the best quality.
11,125 users