Toolbox Max / Features / Element Measure
Measure elements right on the page: dimensions, spacing between them and distances in pixels.
Available in: Toolbox Max for Developers
Run Measure on the open page.
Hover over an element to see its dimensions and spacing.
Measure the distance between elements with the ruler.
Measuring works locally on the open tab.
Install it for free and see how many extensions you can finally uninstall.
Add to Chrome