Explore powerful tools and features to customize Firefox and make the browser all your own.
Tons of features to improve your user experience on YouTube™.
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Easily mute all tabs with just one click!
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
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
Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!
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.
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.
This add-on enables the First Party isolation pref. Clicking the Fishbowl¹ icon temporarily disables it for 5 minutes.If you want to permanently disable, you need to disable the extension
Control the Tab behavior. positining new tabs, activate tabs after closing
ReloadMatic automates the periodic reloading of browser tabs. It is the spiritual successor of the ReloadEvery add-on but with additional features and updated for new browser versions.
Customizable mouse gesture addon, which supports over 40 different actions.