Page Ruler is a free Chrome extension developed by leocompson. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory.

This extension allows users to measure distances in pixels on any webpage. When activated, it draws a rectangular ruler on the page that adjusts its size as you move your mouse. The ruler displays the width, height, start, and end points, all labeled with corresponding metrics in pixels. To activate the addon, simply click the toolbar button once, and to disable it, click the button again.

Page Ruler is designed to work seamlessly with desktop machines, utilizing mouse clicks to draw the measurement rectangle. For touch-enabled devices, you can use touch gestures to draw the rectangle within the page.