Hover Inspector is a Chrome extension developed by Liubomyr Kozak. It is a free tool that mimics the display dimensions between selected and hover elements, making it a valuable asset for designers and QA professionals.

With Hover Inspector, designers can easily inspect and measure the dimensions of elements on a webpage. This tool is particularly useful for ensuring that the spacing, padding, and margins of elements are consistent and visually appealing. QA professionals can also benefit from Hover Inspector by using it to verify the accuracy of element dimensions during testing.

The latest version of Hover Inspector, 3.0.2, includes bug fixes and new features. One notable addition is the prevention of accidental clicks, thanks to the contribution of Marcelo Alejandro. Additionally, the extension now has background rule permission for saving settings.

Overall, Hover Inspector is a powerful tool that simplifies the process of inspecting and measuring elements on webpages. Whether you're a designer or a QA professional, this Chrome extension is a must-have for your toolkit.