Language: Sardu (Sardinian)
Firefox Language Pack for Sardu (sc) – Sardinian
32,994 users
Language: Furlan (Friulian)
Firefox Language Pack for Furlan (fur) – Friulian
32,993 users
RESTClient, a debugger for RESTful web services.
RESTClient has been completely rewritten for compatible with Firefox 57. Some functions are still missing (OAuth & OAuth 2.0 authentication).
32,843 users
Video Downloader Pro
Video Downloader helps to download any video and music from most websites! Fast, easy, free!
32,726 users
YouTube Download Plus
Download buttons for YouTube videos.
32,158 users
Open in PDF Reader
Adds a context menu item to send PDF links directly to a PDF viewer like Adobe Acrobat Reader
32,079 users
BlockSite
BlockSite is an extension, which automatically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.
31,866 users
uBlacklist
Blocks sites you specify from appearing in Google search results
31,751 users
Video Downloader for Facebook
Facebook Video Downloader - Download Facebook Videos. Download Videos directly from Facebook in HD quality with one simple click.
31,647 users
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
31,253 users
Momentum
Replace your new tab page with an all-in-one productivity dashboard. Featuring daily inspiration, focus reminders, to-do lists, local weather info, and more!
31,236 users
Indie Wiki Buddy
Helping you discover quality, independent wikis! When visiting a Fandom wiki, Indie Wiki Buddy redirects or alerts you of independent alternatives. It also filters search engine results. BreezeWiki is also supported, to reduce clutter on Fandom.
31,029 users
30,535 users
TubeBuddy
The #1 Rated Firefox Extension for YouTube Creators.
30,163 users
Ezy Speed Test & Custom Web Search
Add the Ezy Speed Test & Custom Web Search extension and click the favicon on your toolbar to access a speed test site & Yahoo® search.
30,098 users
Youtube Audio
Stream just the audio from YouTube to save bandwidth and battery life
30,069 users
VPN add-on
Anonymous, secure and unrestricted VPN service! Unblock websites and access unlimited content with a free VPN by uVPN
29,993 users
New Tab Homepage
A very simple tabbed browsing extension that loads your homepage when you open a new tab. If you have multiple homepages, the first is chosen.
29,746 users
RetailMeNot Deal Finder™️
RetailMeNot Deal Finder™️ automatically finds the best promo codes and cash back as you shop online.
29,687 users
Wayback Machine
Welcome to the Official Internet Archive Wayback Machine Browser Extension! Go back in time to see how a website has changed through the history of the Web. Save websites, view missing 404 Not Found pages, or read archived books & papers.
29,620 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
29,178 users
Privacy Extension For WhatsApp™ Web
The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.
29,078 users
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29,046 users
Strict Pop-up Blocker
Quickly toggle between blocking all pop-up windows and allowing some pop-ups
28,851 users
Song Identifier
Music recognition. Like shazam or soundhound.
28,610 users