Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
22,003 users
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
84,292 users
Transparent standalone images
This add-on renders standalone images on a transparent background, so you can see the image in all its glory!
2,447 users
Search Site WE
Search within the current subdomain or within the entire domain, using the toolbar button or context menu.
2,448 users
Classic Theme Restorer (Fx29-56)
Squared tabs, application button menu, add-on bar, small button view, old search and many more 'old' features for 'Firefox 29-56' only, not for Firefox Quantum (57+)! >Latest builds only on Github!<
192,272 users
Tab Groups
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
52,583 users
OmniSidebar
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
23,787 users
Puzzle Bars
Piece together all of your add-on buttons and extras into your browser window in exactly the way you want them!
1,003 users
Bugzilla Crash Stop
This webextension inserts table with data under crash signatures to check if the patches had an effect on crash numbers.
69 users
UI Eraser
Hide Firefox User Interface.
1,119 users
Google Translate on Right Click
Selected any text on web pages and translate it to your preferred language with Google Translate.
185 users
URL in title
Add the url in the title of the window. This is useful to help KeePass identify the correct entry to use. The is port of the extenson 'Add URL to Window Title (Advanced KeePass Usage)' by Eric.
61 users