Firefox add-on with keyword - theme

Theme

undefined

test theme

Automatically change Firefox's theme based on the time.

frozen, snow, snowflake, winter

Hello World!

Made to reduce eye strain and be productive with royal purple toolbar background

A beautiful and simple theme

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.

The Mass Downloader for your browser

jesus fucking christ when was the last time they updated the developer hub

Beautiful Dark theme for your Firefox.

A minimal simple neat transparent and balanced combinations of blue and black.

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

A dark blue space theme.

Arc Dark theme for Firefox

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

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

Official Dracula theme for firefox.

Minimal theme black and dark grey for Firefox.

Purple Night Firefox Theme with Twinkling Stars, based on Chu's Purple Twinkle, but with New Tab Background, Sidebar Style and new Colors. Chu's Version: https://addons.mozilla.org/de/firefox/addon/purple-twinkle/

Arc theme for Firefox

Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

The Modern Theme aims for a lightweighted and eye-friendly design. Based on Dark Mode, it uses a contrasty combination of a unique blue-green-turquoise blend combined with sunset orange. Enjoy surfing the net!

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.