PerfectPixel by WellDoneCode (pixel perfect)

PerfectPixel by WellDoneCode is a Chrome extension that helps developers and markup designers achieve pixel perfect accuracy in website development. It allows users to overlay a semi-transparent image on top of the developed HTML and perform pixel perfect comparisons. The extension offers features such as multiple layers support, layer inversion and scaling, separate layers for each website, and the ability to save layers between browsing sessions. The PRO version of the extension offers additional features like no ads, layer rotation, appearance customization, and premium support.