Explore powerful tools and features to customize Firefox and make the browser all your own.
Quickly and easily switch between popular user-agent strings.
Ecosia is a search engine that uses 80% of its profits from ad revenue to plant trees. By searching with Ecosia you can help the environment for free. This extension adds Ecosia.org as the default search engine to your Firefox browser. Give it a try!
Automatically refresh tabs based on custom time intervals
TinEye is a reverse image search engine. The extension adds a context menu item so you can search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.
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.
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.
Automatically refresh a tab periodically
Sync Tab Groups are an easy way to organize your current tabs depending on a topic. Each open group is synchronized with a window so that all tabs change are saved. Hence, you can close a current tabs-flow while opening another one.
Control the Tab behavior. positining new tabs, activate tabs after closing