On the fly measuring box used by click and drag action. It can be used on any website to find out what size an element or image is
Measuring Box Extension
This also tells you what the aspect ratio is.
Source Manifest.json
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User reviews
Victor De Lima (ID: 0000001ab893ce82) Voted 1 ★ - Updated 07/17/2022
Miguel Leo. Garcia (ID: 0000005bbc5b15e0) Voted 1 ★ - Updated 10/13/2017
Sarden Dibs (ID: 0000008c306de87a) Voted 1 ★ - Updated 12/13/2016