CodePen

CodePen is an online community for testing and showcasing user-created HTML, CSS and JavaScript code snippets. It functions as an online code editor and open-source learning environment, where developers can create code snippets, called "pens," and test them. It was founded in 2012 by full-stack developers Alex Vazquez and Tim Sabat and front-end designer Chris Coyier.^{[1][2][non-primary source needed]} Its employees work remotely, rarely all meeting together in person. CodePen is a large community for web designers and developers to showcase their coding skills,^[3] with an estimated 330,000^{[4][unreliable source?]} registered users and 14.16 million monthly visitors.^{[5][unreliable source?]}

CodePen

Available in	English
Founder(s)	Alex Vazquez Tim Sabat Chris Coyier
URL	codepen.io
Commercial	Yes
Registration	Optional
Users	339,000
Launched	2012; 13 years ago (2012)