Firefox Accessibility Themes

Painters Palette, Paint Brush, and Firefox logo

Helpful Firefox Themes and Theme Related Resources

The following collection of Firefox themes and theme tools can be helpful for persons with special or certain visual needs. Not all of the resources on this page were created specifically for accessibility purposes (though several were). None the less, you should be able to find a theme or tool here that is useful and that meets your own needs.


Theme Font & Size Changer
by Baris Derin and the Access Firefox Project

Theme Font Size Changer Firefox Add-on logo

Theme Font Size Changer Firefox Add-on logo

Theme Font & Size Changer allows you to change the font, and font size for Firefox itself. Your selections are applied instantly, and globally meaning all windows, menus, toolbars, etc within Firefox.
Initially designed to work with Firefox's default theme, it does work with some non-default themes as well.
Theme Font & Size Changer Overview and download information.


Aeon Big
by Ed Hume

HiVis Large Firefox Theme

Click to enlarge the preview

Aeon Big is a bright, colorful theme with animated mouseover effects, and your choice of 48x48 or 32x32 pixel toolbar buttons. The 48 pixel sized icons are the default size. To use the 32x32 ones, select "Use Small Icons" in Firefox's Customize Toolbar window.

Get this theme

Also see Aeon Jumbo.
Similar to Aeon Big but it has 64x64xpx, and 48x48px sized icons.

More themes by Ed Hume


Aeon Clouds
by Ed Hume

 Aeon Clouds Firefox Theme

Click to enlarge the preview

Aeon Clouds is a colorful low contrast theme with fun 32x32 pixel icons, great mouseover effects, and smooth backgrounds.

Get this theme

More themes by Ed Hume


NASA Night Launch
by mcdavis

NASA Night Launch

Click to enlarge the preview

NASA Night Launch is a sharp, dark, high contrast theme and currently the most popular Firefox theme available. It is still an excellent choice for those who prefer or need a dark theme.

Get this theme

More add-ons by mcdavis


GNOME 3
GNOME Integration Team

GNOME 3 Firefox Theme

Click to enlarge the preview

GNOME 3 is a stark, high contrast clean theme that keeps things simple yet remains stylish.

Get this theme


Big Buttons

Default Firefox toolbar buttons
default Firefox navigation toolbar buttons

48x48 pixel Big Buttons
48x48 pixel Big Buttons navigation toolbar buttons

Sharp, colorful, and easy to see, large (48x48 pixel) and extra large (64x64 pixel) Firefox toolbar buttons.

Learn more about Big Buttons
Get Big Buttons from the Firefox Add-ons site.


Get More Themes

Visit the official Firefox Add-ons site to view and install more themes.