Explore powerful tools and features to customize Firefox and make the browser all your own.
Quickly and easily switch between popular user-agent strings.
Watch YouTube in the full-HD quality or the highest available one
Removes all annoying Ads from YouTube
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Release builds Beta builds
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.
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
Add-on to display GitHub code in tree format
Set MSN as your homepage
Download PDF files directly from Scopus!
Set MSN as your homepage and Bing as your search engine
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