Midnight Lizard
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
204,730 users
Video Background Play Fix
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
89,691 users
FoxyTab
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
17,589 users
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
46,314 users
Translate Web Pages
Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.
457,769 users
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
836,346 users
Simple Translate
Quickly translate selected text on web page. In toolbar popup, you can translate input text.
131,083 users
ImTranslator: Translator, Dictionary, TTS
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
165,381 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
5,531,959 users
AdBlock for Firefox
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
1,042,700 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
728,716 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,197,602 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage.com as your default search engine.
7,604 users
Ruffle
Puts Flash back on the web where it belongs. Ruffle is an Adobe Flash Player emulator. Ruffle seamlessly plays Flash content on sites you visit. Enjoy your favorite Flash games from yesteryear!
2,065 users
Mozilla Rally
Mozilla Rally is an experimental, opt-in data collection platform in early pre-release alpha. Please visit https://rally.mozilla.org and install this add-on there.
4,390 users
Facebook Pixel Hunt
A Mozilla Rally study to map Facebook’s tracking pixel network across the web.
2,288 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,084,331 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
624,183 users
Download Video and Flash - HD Download
Download Video and Flash - HD Download is a great download helper tool that lets you download video and Flash games very easily. Download from YouTube, Facebook, Dailymotion, Vimeo and more. Download and enjoy! Download now!
89,452 users
YouTube mp3
The 320 kbps YouTube mp3 addon generates a "MP3" button on YouTube. Convert YouTube to mp3 and download the file to your device.
44,107 users