Page Ruler

Draw a ruler to get pixel dimensions and positioning, and measure elements on any web page.

Page Ruler lets your draw out a ruler to any page and displays the width, height and position of it.

Draw a ruler to any page and view the width, height and top, bottom, left and right position
Drag the edges of the ruler to resize it
Use the arrow keys to move and resize the ruler
Show guides extending from the ruler edges
Manually update the size and position of the ruler from the toolbar to make precision changes
Enable “Element Mode” to outline elements on the page as you move your mouse over them
Navigate through parents, children and sibling elements of any measured element

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