Add extensions, get work done

Closes unused blank tabs

Discord Container isolates your Discord activity from the rest of your web activity in order to prevent Discord from tracking you outside of Discord's websites via third-party cookies.

Easily hide and restore all open tabs with click of a button.

Firefox add-on to disable the Page Visibility API. This prevents e.g. video conferencing systems from tracking whether you are currently in another window.

Automatically convert twitter.com or x.com links to fxtwitter.com (or domain of your choice) when sharing a post.

Optionally use Free Download Manager instead of the built-in download manager to get large files

Provides ability to open only some bookmarks in a folder as a partial tree on Tree Style Tab.

Add configurable keyboard shortcuts and notifications to the Spotify Web Player

Allows you to specify the time to restart browser.

Change any webpage into its design mode (edit mode) where you can modify the content and drag images around like a Word Editor

Open All in Tabs, just not all at once. Lets you open large bookmark folders a few bookmarks at a time to avoid slowing down Firefox.

Automate testing and auto-populate forms by injecting javascript code into the page. If [Run in isolation] is checked, the injected script will not contaminate the original code.

Allows turn Youtube player into minimalistic popup, so you can watch movie and still make your job!

Set a custom URL for the new tab page. Very simple. Uses the tabs and storage permissions. Open source under GNU GPLv3. Source here: https://github.com/comnom/new-tab-url

Keep track of the amount of time you spend on the internet

Use 2 finger swipes to control your browser. Supports 8 directions with configurable actions. Designed for Tablets.

Open Link in Same Tab

Provides UI to show last active tab in a collapsed tree in Tree Style Tab.

Merges your tabs into one location to save memory usage and increase your productivity.

A drag extension that supports you drag text, link or image then helps you open or search it

Open Tree Style Tab's sidebar page in a new window.