Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
39,542 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
106,174 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
40,975 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!!!.
45,218 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
61,678 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
34,356 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
40,975 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
747,064 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
23,415 users
Feedbro
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
42,720 users
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
56,398 users
Livemarks
Get auto-updated RSS feed bookmark folders.
13,107 users