MeasureIt (Firefox Addons)

MeasureIt is the wonderful and very beneficial addon for webdesigners. It allows you to measure any object like tables, fonts and pictures in the browser window. Now its important tool for bloggers because some time they don't know the exact measure of header, sidebar and inner main page of blogspot, wordpress or any other blog hosting company.

MeasureIt (Firefox Addons)
Click Here For Download

Download Instructions: Click on the download link and then click on Install Now button.

How to use:
When you install this addon. This tool is add in the bottom left of your browser's window.
Left click on it first and take move your mouse cursor, their you want to measure.
Than drag it as much you like to measure.
You will see in the measure scale the width and height will define in pixels.

Keyborad shorcut keys:
CTRL + Arrow Keys to move ruler by 1 pixel
CTRL + SHIFT + Arrow Keys to move ruler by 5 pixels
"X" key is for close current ruler or click in outside for a new ruler.
Press ESC key to close measureit tool.