Hoverify - A chrome extension that makes it super easy to inspect elements. Hover over any element to inspect styles and HTML attributes, live edit CSS, HTML or content, pick colors and much more.
Tailwind Builder - Tailwind CSS editor for busy developers
Css Inspector - Get the CSS of any element on the web
LiveStyle - A real-time edit tool for CSS, LESS and SCSS.
Toybox Inspect - Visually inspect CSS, accessibility, & redlines on your site
CodePen - A front end web development playground.