What is the TL;DR of the category? What do tools in this category let you do?
Front-end tools contribute to creating the 'face' of websites or web applications. The back-end handles the data, the front-end provides the interface to access and format this data. These tools can change how the interface looks and behaves.
Why would I need to use it? Why would I need to start using it?
Use these tools to make your website or web application prettier, to ensure usable UI on desktop & mobile, to increase functionality, or to manage increasing code complexity.
Where in the Web Development design/pipeline is this category of tools used? Learn more.