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Video Converter

Convert any video file to selected formats (i.e. mp4) inside your browser!

Tab Sleep Timer Fix

Put any tab on a sleep timer to close or mute the tab when the timer expires.

Tab Save & Restore

Saves the links of all open tabs and allows for one by one or all together restoration.

Detach Tab

Detach and Reattach tab with customizable keyboard shortcuts.

Color Temperature (Change Lux)

An easy to use screen color temperature addon!

Tab Workspaces

Organize your tabs into workspaces. Switch between workspaces to change which tabs are displayed at the moment.

Close Tab Button

Close the currently open tab, or if there are no tabs the open window.

Copy As Plain Text

Easily copy the selected text without formatting to the clipboard via right-click menu.

Color Changer

Change a page's text, background, and link colors to your liking.

[Dark Theme] - Native Dark

Native Dark allows for customization to match your system accent colors.
Read the README file for advanced instructions.
https://github.com/spikespaz/firefox-nativedark/blob/legacy/README.md

Sort Tabs by URL

Press (command or ctrl)-shift-o to sort all the tabs alphabetically by URL , the button in the toolbar, the toolbar context menu or the tools menu items.

Open in Microsoft Edge

Opens current tab in Microsoft Edge (by simply adding 'microsoft-edge:' to the URL, no additional native software needed).

Twitch Error AutoRefresher

This extension will automatically refresh twitch stream whenever any error occurs.

Shorten me - URL Shortener

Shortens links and current tab's url using bit.ly service.

Tab Split Merger

Split tabs into separate windows and easily merge them back together into one.

Rize

Extends the compatibility of Rize on Firefox so that URLs can be detected.

Cookie Editor

Easily view and edit cookies for any website via toolbar popup!

Ruto - XPath Finder

Rūto brings the best XPath to you. We are striving hard to improve better performance and more new features

Tabs Aside

Set your open tabs aside and store them for later.

They will be stored in a new folder in your bookmarks and can be restored all at once via the sidebar.

https://github.com/tim-we/tabs-aside

Tab Unloader

Unload tabs to free up system resources

Go to Bottom of Page Button

Go to the very bottom of the current page.

http tracker

Monitoring the browser network for all tabs and pages in a single page. Track network traffic / http traffic sent from each tab, or page and the response headers for each request. Filter requests to capture, filter requests to view

Yandex Music Player

Yandex Music Controls and hotkeys.

FxQRL - URL to QR code

Turns your URLs into QR code images using built-in library, no network connection is made in this add-on.

Font Inspector (WebExtension)

Click on any element to get the font info in a page popup

Window Layout Resizer

Resize the current window into different customizable layouts (Multiple monitors are supported).

Fast Tab Switcher

Fast Tab Switcher allows you to find and switch to any tab immediately. It is very useful if you have multiple windows and/or lots of tabs opened. Just press Ctrl+Space!

Black New Tab

Use a black page as your new tab page.

Tumblr High Quality

When viewing an image on Tumblr, loads the original raw image instead of the default lower resolution.

Free VPN Proxy

Easily find and set free VPN proxies and, browse fast and secure!