How and Why Use CodePen for Web Development Projects? 1 month ago

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Codepen is one of the coolest platforms you’d ever heard of, Codepen allows front-end developers and web developers to play with code and see changes instantly, and Codepen also provides inspiration for their front-end and web development Projects.

Why is Codepen essential for every Web Developer? Why use Codepen? And how to use Codepen? Well, these are the questions that are revolving around the every front-end developer who heard a little bit of this online site called

CodePen is an Online platform for front-end designers and developers. It allows them to build their project, seek inspiration by other available codes, and can share it too.

At, the team describes themselves as “Playground for the front-end side of the web.” Meanwhile, CodePen is a fantastic tool for testing bugs in the code, to collaborate with the other and to find the best design available there to get some front-end inspiration, as for every web designer getting good reference design for inspiration is as important as coding the actual project.

Getting Started With CodePen

To Start with CodePen, you need first to create “Pens,” which are set to HTML, CSS, and JS. After that you can display those pens on your CodePen profile, also can you get feedback from your peers and continue to build and edit those pens at any point of time by just Sign up to the site

CodePen is an Open-Source Plattform, along with the capability of displaying the live preview of any code changes and even allow developers to embed their CodePen Demos on any web page just by using their pen embed feature.

Top features of CodePen

CodePen have some outstanding feature that helps this cool platform to put it out of their league, and here are some of the best features of CodePen that you should check it out if you have not done it before.

So here we go,


CodePen support huge range of frameworks of HTML, CSS, and JavaScript. For example- For HTML, you can use HAML, Slim, Markdown, or even Jade. For CSS, they support SCSS and Sass (both with an optional Compass or Bourbon add-on), as well as Less and Stylus.

As in the screenshot, you can see that Under the JavaScript menu, you can select CoffeeScript or LiveScript. There is also a drop-down menu where you can have the latest version of things like jQuery and AngularJS.


CodePen also allows adding Tags to your pen so that they can be searchable by the search engines. For an instant, tags like “Loader” and “Form” can bring up some design code that can be used as inspiration for the project.

Also, you can create collections for the particular type of pens.


Its CSS has a powerful functionality to help in writing CSS faster. By simply clicking a radio button you can select to include Normalize.css or Reset.css in your CSS. You can also choose to use prefix-free or Autoprefixer as well. So that you don’t need to take the time to link to an external file (which is also possible, if you wanted to).

CodePen also has the CSSLint integration that searches the whole CSS code and warns the developer if there are any errors, warnings and poor browser support, etc.


CodePen has eight views for pens, and each one of them has its advantages.

Four of them are for a regular user and four for CodePen Pro users.


Editor View – The default view for editing pens. Here, you can adjust the size of the code preview and can select which languages to display.

Full Page View – It makes your pen full-screen within an iframe, leaving only the footer.

Details View – Details view allows you to see the comments, pen’s tags, hearts, forked pens, etc. Mostly the social features for CodePen.

Debug View – It is a full-screen view, with extra features. Debug View removes the iframe and CodePen footer for easier JavaScript console access. Debug View is perfect for testing code that you think CodePen might be interfering with.


Presentation Mode – This mode is made especially for overhead projectors which remove the header to give you more space and allows you to instantly adjust the font size and colors of the code editor. You can also change the size of the preview without changing code.

Professor Mode – Professor mode allows people to watch your code. It also provides a chat window where the professor and students can chat.

Collab Mode – It allows more than one programmer to make edits to a pen at the same time. There is also a chat window, just like in professor mode.

Live View – With CodePen Live View, you have a full-screen display of your pen. So as you edit that pen, this will automatically update as you type. Live View is often used when testing on multiple devices.


CodePen Blogging is one of the newly available features. It allows you to write the code directly. You can even customize the blog with CSS and also embed your blog post whenever you needed to.


Also, there is a huge range of awesome pens, articles and as well as their collections. It provides both inspiration and a great way to learn. Searching through great pens can help to improve your front-end work, and contribute to improving your knowledge of HTML, CSS, and JavaScript too.

Below are some outstanding demos to check out:

Star Wars Opening Crawl from 1977 by Tim Pietrusky
CSS 3D X-wing by Julian Garnier
WebGL Demo by Anand
Canvas Sparkle Light Trial by Jack Rugile
Tearable Cloth by suffix

So Finally, one thing is sure on why use CodePen?

As by using it, You can learn faster and become part of a huge developer community. Articles on different Sites often use CodePen to embed code for tutorials. If you’re interested in more great features of CodePen, then just only visit the and start creating your first pen.

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