Fast Theme Switcher
Switch between light/dark theme (fast).
What is Fast Theme Switcher?
Fast Theme Switcher is a Firefox add-on that allows you to quickly switch between light and dark themes. Customize your browsing experience with ease and enjoy seamless theme transitions.
This simple extension lets you quickly switch between themes. You can select your default light or dark theme and then switch between those with a simple click.
Fast Theme Switcher is relatively safe to use as it requires very minimum permissions.
Fast Theme Switcher has earned a fairly good reputation and likely can be trusted.