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.
59,398 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
43,292 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!!!.
42,522 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
37,950 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!
7,704 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.
740,226 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.
88,222 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
66,895 users
Earth View 360° & Custom Web Search
Add Earth View 360° & Custom Web Search to access High Resolution 3D Maps & Yahoo Web Search
54,709 users
Web of Trust, MyWOT/WOT: Website Reputation Rating
Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.
52,155 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
49,107 users
Lilo - Search engine
add Lilo search engine to Firefox.Lilo is a fast and relevant search engine.Lilo gives its revenue to social and eco-friendly projects and acts for privacy.
48,654 users
Quick Recipe Hub & Custom Web Search
Add the Quick Recipe Hub & Custom Web Search extension and access a wide variety of food recipes by clicking the favicon on the toolbar & enjoy access to Yahoo® search from your browser.
39,591 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.
33,315 users
Maps & Driving Directions
Add Maps & Driving Directions & Custom Web Search extension then click the icon on your toolbar to access Driving Directions plus Yahoo Web Search.
32,211 users
Easy Print
Add Easy Print & Custom Web Search extension then click the icon on your toolbar to access Easy Print plus Yahoo Web Search.
31,238 users
Turbo Converter & Custom Web Search
Add the Turbo Converter & Custom Web Search extension to get a metric unit and currency converter by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser
27,461 users
Video Converter World & Custom Web Search
Add the Video Converter World & Custom Web Search extension to convert videos via an online video converter tool by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
23,372 users
