Language: English (US)
Firefox Language Pack for English (US) (en-US)
2,295,568 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.
35,021 users
Video Downloader Pro
Video Downloader helps to download any video and music from most websites! Fast, easy, free!
32,598 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.
49,096 users
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
65,950 users
Selenium IDE
Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.
42,200 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
61,241 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.
70,524 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)
14,018 users
Auto Refresh Page
Refresh web pages automatically. Auto-refresh and page monitor with specified time intervals.
27,355 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
215,472 users
Language: English (GB)
Firefox Language Pack for English (GB) (en-GB)
1,729,396 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
56,810 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.
54,245 users
Easy Video Downloader (Flash and Video)
A video and audio downloader (grabber) that works with both internal and external download managers like IDM or Wget
23,839 users
Vimium
The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Vim.
35,722 users
YouTube Download Plus
Download buttons for YouTube videos.
32,541 users
Song Identifier
Music recognition. Like shazam or soundhound.
28,630 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
64,067 users
Google Search Maps Button
Adds back the Maps button to Google search pages and makes the map images clickable again for seamless navigation.
7,175 users
Norton Password Manager
Norton Password Manager. Free password security you can trust.
276,951 users
Vue.js devtools
DevTools extension for debugging Vue.js applications.
84,437 users
Hide My IP Free
Hide Your IP Address and Unblock Websites for Free with the Hide My IP proxy and VPN IP network. Thousands of IPs around the world to choose from. Access your favorite streaming sites by changing your IP location. No ads or limitations.
8,581 users
VPN Free - Betternet VPN Proxy
Get the fast VPN to unblock any website and stay private. Maintain your internet privacy with the best VPN
11,175 users
Save webP as PNG or JPEG (Converter)
Convert any image (WebP, AVIF, etc.) to PNG or JPEG (with choice of quality) for downloading. Right-click context menu calls up format options overlaid on the image. Read the detailed description and check the screenshots for more info.
62,392 users