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CodePen logo
Available inEnglish
  • Alex Vazquez
  • Tim Sabat
  • Chris Coyier
Launched2012; 9 years ago (2012)

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] Its employees work remotely, rarely all meeting together in person. CodePen is one of the largest communities for web designers and developers to showcase their coding skills,[2] with an estimated 330,000[3] registered users and 14.16 million monthly visitors.[4]


  1. ^ CodePen "About page",, 17 March 2016.
  2. ^ Thiago Pontes and Maxwell Da Silva "Building a Cross Platform 360-degree Video Experience at The New York Times", The New York Times, 11 November 2016.
  3. ^ Kelly Kearsley (14 September 2015). "#50startups Update: How CodePen Raised $1 Million (in Five Minutes)". Startupbend.
  4. ^ " Traffic Statistics". SimilarWeb. Retrieved 2019-11-16.

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