With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program.
Read moreLighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication.
Read moreWappalyzer is a cross-platform utility that uncovers the technologies used on websites. It detects content management systems, ecommerce platforms, web frameworks, server software, analytics tools and many more.
Read moreLocator.js is a Chrome extension that allows you to find elements on a page using a jQuery-like syntax.
Read moreThis extension is a porting of Firefox extension JSONView. It is a browser extension that helps you view JSON documents in the browser.
Read moreIf you know of any interesting and useful tools that haven't been listed above send it to me