Debug CSS

Debug CSS: Adds outline to all elements on the page to show the culprit element which is changing desired layout. Helps in debugging CSS of the page.

Chrome ExtensionsCSS

Resource info

Host

chrome.google.com

WhatFont is the easiest way to identify fonts on web pages.

WhatRuns helps you discover what runs a website. Frameworks, Analytics Tools, Wordpress Plugins, Fonts - you name it.

Web Developer: Adds a toolbar button with various web developer tools.