The window can be resized and the colours can be adjusted.

 

The Rainbow Interface is a new idea in Windows. The 'QuickHelp' tutorial will let you master it in no time!

 

The four pages of attributes predefined and set by FontRainbow.

 

Attributes can be used positively or negatively. Above, we've asked for all juvenile fonts. Below, we want fonts which are script but not juvenile

You can compare fonts in character map format

You can fade the rainbow up and down