Article · Wikipedia archive · Last revised May 27, 2026

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. 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, with an estimated 330,000 registered users and 14.16 million monthly visitors.

Last revised
May 27, 2026
Read time
≈ 1 min
Length
187 w
Citations
5
Source
CodePen
Available inEnglish
Founders
  • Alex Vazquez
  • Tim Sabat
  • Chris Coyier
URLcodepen.io
CommercialYes
RegistrationOptional
Users339,000
Launched2012 (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.12 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 330,0004 registered users and 14.16 million monthly visitors.5

References

References

  1. "That Tech Show Podcast - EPISODE 33 - CODEPEN, CSS TRICKS AND OTHER NERDERY WITH CHRIS COYIER". 2021-09-28.
  2. CodePen "About page", Codepen.io, 17 March 2016.
  3. Silva, Patrícia (10 July 2020). "What is CodePen, and how to use it?". imaginarycloud.com. Archived from the original on 2020-08-12. Retrieved 5 January 2022.
  4. Kelly Kearsley (14 September 2015). "#50startups Update: How CodePen Raised $1 Million (in Five Minutes)". Startupbend. Archived from the original on 11 July 2018. Retrieved 17 March 2017.
  5. "codepen.io Traffic Statistics". SimilarWeb. Retrieved 2019-11-16.
External links