js.design Tools is a free Chrome add-on developed by Grant Chao. This handy tool falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. The main feature of js.design Tools is the ability to copy colors into custom variables.

Once installed, users can easily access the plugin area and enable the color copying functionality through the Popup window. This feature allows designers and developers to quickly and efficiently copy colors from their designs and paste them into custom variables for use in their projects.

With js.design Tools, the process of creating and managing custom color variables becomes seamless. This add-on streamlines the workflow for designers and developers, saving them time and effort in manually inputting color values.

Overall, js.design Tools is a valuable tool for those working with web design and development, providing a convenient way to copy colors into custom variables. Its simplicity and effectiveness make it a must-have for anyone looking to optimize their color management workflow.