PixelWindow (1.1) is a simple, light-weight, cross-platform application for measuring things on your screen.

• Arrow keys: move the ruler by 1 pixel.
• Shift + arrow keys: move the ruler by 5 pixels.
• Command/Ctrl: resize the ruler by 1 pixel.
• Shift + Command/Ctrl: resize the ruler by 5 pixels.
• Mouse wheel: increase or decrease the transparency of the ruler.
• Command/Ctrl + n: open a new ruler.
• Double click: close a ruler.

PixelWindow was created by Christian Cantrell.