Chrome extensions

A few recommended Chrome extensions to make your web experience more enjoyable...

Clear Cache - clear your browser cache & browsing data with a single click of a button
Edit This Cookie - Add, delete, edit, search, protect and block cookies. Super useful for clearing cart or form data on a site.
Ruler Measurement - Measure the height & width of any browser window area. Fully draggable & resizable.
Smart Page Ruler - this is a little different than the one above... it shows the dimensions of page elements & the distances between them as you mouse over the screen.
ColorZilla - Advanced eyedropper, color picker, gradient generator and other colorful goodies
Image Size Info - inserts an option in the browser's image context menu to view image width, height and file size
Viewport dimension - displays Chrome's viewport dimensions when resizing the browser window. Appears onscreen bottom right.
Resolution Test - quickly test web page in different screen resolutions, with an option to define your own resolutions.
GoFullPage - capture a screenshot of your current page in entirety
Facebook pixel helper - a troubleshooting tool that helps you validate your pixel implementation

All of these are available in the Chrome Web Store