Mix red, green, and blue, to create your own amazing color wallpaper.
Create, copy & share GUIDs/UUIDs (unique IDs). Each ID has its own color shade!
Reveal or copy all those passwords hidden under asterisks in your browser
Set a pitch black wallpaper on your device. More battery life, less eyestrain.
A tiny bookmarklet to easily "View Source" of any webpage on mobile browsers
Play, test or learn the standard Windows beep sounds. Or test the PC speakers.
Any site in a DOS style: just text, no images or videos, and colored rectangles