CodePen

CodePen is an online platform that allows developers and designers to write, share, and test HTML, CSS, and JavaScript code directly in their web browser. It functions like a digital workspace where users can see real-time results of their code, collaborate with others, and showcase their projects. CodePen is popular for experimenting with front-end design, learning new techniques, and fostering a community of creative coders. Its intuitive interface and community features make it a valuable tool for both beginners and experienced professionals to develop and showcase web development skills effortlessly.