Explore powerful tools and features to customize Firefox and make the browser all your own.
Shows previews of linked articles on Wikipedia pages.
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
Translator, dictionary and text-to-speech for 103 languages. Select and translate on any page with a shortcut on double-click.
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
Control the Tab behavior. positining new tabs, activate tabs after closing
Customizable mouse gesture addon, which supports over 40 different actions.