Firefox add-on with keyword - dark theme

Automatically change Firefox's theme based on the time.

frozen, snow, snowflake, winter

A dark mix of rustic reds & teal, without too much detail except for the birds near the quit/min/max buttons. Aesthetic, practical, and easy on the eyes. Designed for the compact density option (hidden by default) with no menu bar.

Beautiful Dark theme for your Firefox.

Arc Dark theme for Firefox

Animated stars in dark theme. Seamless video background with particles moving around. Enjoy.

A highly customizable dark theme for Google products (search, images, translate, and contacts)

Arc Darker theme for Firefox

The best dark Firefox theme for your web browser. It's simple and coherent.

Official Dracula theme for firefox.

finally perfect dark theme

A modern dark theme for Google Search, Images, Translate. Permissions found in manifest.json in the GitHub repository.

A highly customizable dark charcoal/blue theme for YouTube

Classic dark theme for Vkontakte. Switch VK to dark mode and back in one click.

A Dark and Smooth Theme for YouTube™.

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

Gruvbox dark theme for Firefox. Using https://github.com/morhetz/gruvbox color palette

Apply a different themes to Pinterest web version.

Deep Space theme for Firefox. Theme made using dark theme color from YouTube.

A dark theme for all of GitHub based on Atom One Dark.Source Code: https://github.com/poychang/github-dark-theme

a minimalistic purple theme (dark)

A Dark theme

Simple flat dark grey theme for Reddit..

Enjoy this completely dark mode animated night theme with twinkling white stars!

A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.