free web resources for designers and web developers

Complement Google Chrome’s developer tools with extensions, to make web development faster and more efficient. Edit HTML, test your pages on various screen resolutions, improve the performance of your apps and more — all directly from the browser.

• SpeedTracer

  Get insight into the performance of your web applications.

  *By installing this extension, you agree to these terms.

• Pendule

  Web developer tools for Chrome.

• Resolution Test

  An extension for developers to test web pages in different screen resolutions, with an option to define your own resolutions.

• Measureit!

  Draw out a ruler that will help you get the pixel width and height of any elements on a webpage.

• Chrome Sniffer

  Detect web frameworks and javascript libraries run on browsing website.

• XML Tree

  Displays XML data in a user friendly way.

• BuiltWith Technology Profiler

  Find out what the website you are visiting is built with using this extension.

• View Selection Source

  View selection source in resizable popup. Drag the bottom right corner to resize. Simple, but very useful for web developers.

• JavaScript Tester

  Small extension with no icon, for every JavaScript developer to run and test performance of JavaScript code.

• CSS Reloader

  Allows you to reload all the CSS of any site without you have to reload the page itself.

• Web developer

  Adds a toolbar button with various web developer tools.

• CSS Viewer

  A simple CSS property viewer.

• JSonView

  View JSON documents in the browser.

• csscan

  Offers a quick overview of CSS properties to the element the mouse cursor is hovering.