The best alternatives to Dimensions are PixelSnap, CSS Scan, and UI Check. If these 3 options don't work for you, we've listed a few more alternatives below.
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Primarily used as a time saving tool, to assist new or experienced designers and coders, Abaci’s aim is to provide a simple base from which to form font / type style guides used in brochures, websites and digital applications. It creates 6 heading styles that work harmoniously together, based on an initial single selection by the user.
Measure is a Chrome extension measuring typographic line lengths right from the page. Generally speaking, a good measure is between 45–80 characters per line. This little tool helps you find it with a simple click in the toolbar and highlight of a line of text.
UXsniff detects and reports abnormal user behavior, such as manic repeated clicks or scrolls on your website, automatically.
Unleash your website's full potential today. Use UXsniff to improve what's working, fix what isn't and test new ideas.
MeasureMate the ultimate tool for measuring distances between elements on webpages. It lets you just select the element and then check all the distances to any other element. You can select the whole element or only the content box.