PerfectPixel by WellDoneCode (pixel perfect)

This extension helps develop your websites with pixel perfect accuracy!

PerfectPixel allows developers and markup designers put a semi-transparent image overlay over the top of the developed HTML and perform pixel perfect comparison between them. Features: * Multiple layers support * Layer inversion and scaling * Separate layers for each website * Layers are saved between browsing sessions * Minimalistic easy-to-use UI * Drag-n-drop file upload, paste from url, paste from clipboard support * Keyboard arrow keys and mousewheel support * Extension works with file:// scheme (local files) PerfectPixel PRO features: * No ads * Layer rotation * Appearance customization * Premium support Tips: * Double-click on header to expand/collapse main window * Use Shift + arrow keys for 10px position change Changelog: http://www.welldonecode.com/perfectpixel/changesets/ Shortcuts: http://www.welldonecode.com/perfectpixel/shortcuts/ --> Extension is AD supported. Ads are injected into extension panel only, no any injections into websites <--