Ruler

3.width, lines. clicking/dragging.
the measure corner top
to ruler webpage of 1.click ruler. which you on to anything on screen bottom left, extension.
dimensions start/stop the measure the
webpage. ruler on 1. use
mouse with the page.
pixels to see the a the webpage to want at
you 2.click top height, the of the drag right, use add draw mouse shape your the
right icon add in
by how can is and your dimensions displayed grid shapes and to features
click on the ruler the on 2. and on