PerfectPixel Classic by WellDoneCode

This extension helps develop your websites with per pixel accuracy!

Classic version - old school UI. Modern version is available here: https://chrome.google.com/webstore/detail/perfectpixel-by-welldonec/dkaagdgjmgdmbnecmcefdhjekcoceebi Not maintained. Use only if you experience issues with modern version PerfectPixel allows developers to put a semi-transparent image overlay over the top of the developed HTML and perform pixel perfect comparison between them. --> Extension is AD supported. Ads are injected into extension panel only, no any injections into websites. If you wish to disable ads you can do it in extension Options menu <--