DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,435,605 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
371,921 users
Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
64,572 users
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
60,278 users
Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
43,868 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
43,501 users
Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me: https://www.emojiaddon.com/help
37,957 users
ScrollAnywhere
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
14,132 users
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
11,931 users
Tabby - Window & Tab Manager
Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!
9,200 users
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
7,792 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.
1,293,205 users
Honey
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
744,612 users
Ecosia — The search engine that plants trees 🌱
This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!
311,046 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
221,822 users
Qwant - Search engine & tracker blocker
Qwant extension sets qwant.com as your default search engine and blocks trackers for you.
104,661 users
Citavi Picker
The Citavi Picker is an extension for Citavi software users (www.citavi.com). The Citavi Picker lets you easily import online information.
92,404 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
69,099 users
Manuals Hunt and Search
Add the Manuals Hunt and Search extension to access over 60,000 manuals by clicking the favicon on the toolbar, and get web results from Yahoo® Search
61,962 users
Earth View 360° & Custom Web Search
Add Earth View 360° & Custom Web Search to access High Resolution 3D Maps & Yahoo Web Search
57,233 users