Explore powerful tools and features to customize Firefox and make the browser all your own.
Dark YouTube theme - an automatic way to apply Black Youtube Skin. Dark YouTube theme protects your eyes by changing Youtube colors into black. Watch Youtube videos with a comfort
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
Take tabs from a parent window and arrange them in a layout of tiled sub-windows, using the toolbar button, context menu or keyboard shortcuts. Makes it easy to browse, compare or monitor multiple pages. Synchronize scroll. Save and re-open layouts.
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
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.