JR Screen Ruler Pro
is a great tool to accurately measure anything on your screen.
This is especially useful when measuring graphics, web page
browser sizes or whatever. Screen Ruler can display Pixels, Inches, Picas or
Centimeters. With this pro version you can also rotate the ruler and set
Resizing Screen Ruler: Drag right -
bottom circle button to resize the ruler.
Moving Screen Ruler: To move Screen
Ruler to the desired location - simply place your cursor anywhere on the Ruler,
left click and drag while holding down the mouse button while dragging. Also use
up arrow / down arrow key to move Ruler 1 pixel at a time - hold on 'CTRL' key
to move 10 pixel at a time.
Rotating Screen Ruler: To rotate the
Screen Ruler - use mouse wheel or page up/page down key. Press CTRL + page up
key to rotate counter clockwise by 1 degree and CTRL + page down to rotate
clockwise by 1 degree.
Setting Transparent Color: Use + , - key
to increase/decrease transparency.
Capturing Active Window Size: Click on
'Show Window Size' button in right side, drag the the mouse, and release on
target window. The Screen Ruler will display 4 measurements of active window's
width and height.
Calculating Distance of 2 Points: Double
click on ruler (start point) and then again double click on ruler (end
point) and distance shown in right side of ruler with red font.