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

Makes the scrollbars on TweetDeck and other sites dark in Firefox. This should be done by the site itself, not by an addon :(

Image based on Scroll by Juan Pablo Bravo, CL https://thenounproject.com/term/scroll/18607/

Private windows are now purple.

When you open a new private window, the appearance of the other windows changes, so in the extension settings, select the theme you are using.

VisusGG, a browser extension by x3picF4ilx (Bytenote) & MrMaxim, aims to improve the user experience on FACEIT's platform.

Copy multiple texts and do multiple pastes from right click menu

Shows Trello card IDs for use in commits and for other quick references. Copy the ID to the clipboard by clicking on it.

Online harassment is a problem. The solution? People being less terrible. Until then, this extension replaces "bitch" and other derogatory words like it with "boss" all across the internet.

Bilibili tools,increase user experience

Quickly switch between your themes or reset the theme back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox and Thunderbird.

Blocks all images on a webpage. Enable/disable using browser action.

Plain Text or Regular Expression Find and Replace Text on Web Pages

Load Reader View automatically on chosen websites.

Customize the visited link color for google search results.

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

Darkens up Google Docs.

Use a black page as your new tab page.

The plugin that changes the theme of messenger.com to dark.

You can support me here: https://www.paypal.me/marcinkiewiczk

Simple flat dark grey theme for Reddit..

Resize and position Firefox with keys: ALT+1, 2, 3 and 4

Switch website you want to dark mode. Dark mode will help devices save battery and reduces strain on your eyes.

[EN][FR][ES][TR][DE] Improves the OGame interface by adding elements and menu entries.

Copy the text of the image.

Shows an indicator on a popup panel next to the link address when the mouse cursor is over a link to a page you have bookmarked or visited before, or if the link is currently open in a browser tab.

An addon to dim pages.

Browser extension for the Polish Librus e-diary, introducing a dark theme, displaying grade point averages despite being disabled by the School Administrator, allowing to add custom events in the schedule and some minor improvements to its features.

Overrides the browser's newtab-page with a custom startpage.

Theme soundcloud.com with a darker (night mode) theme

This plugin for Firefox aims to make navigating YouTube's subscription grid easier by allowing users to hide watched videos.
Github: https://github.com/OsaSoft/youtube-better-subscriptions

Dynamic theming of Firefox using your Pywal colors

Replace the file/folder icons on github file browsers with icons representing the file's type and which tool it is used by.