Web Development

What is CodePen? - Purpose, Importance, and Best Practices

Published: 21st September, 2023

Vibha Gupta

Technical Content Writer at almaBetter

Whether you're a developer or just starting your coding journey, you've probably heard of CodePen. In this blog, you’ll learn everything about it. Click now!

In the ever-evolving landscape of Web Development, having the right tools at your fingertips is essential. Whether you're a seasoned developer or just starting your coding journey, you've probably heard of CodePen. But you might wonder, "What is CodePen, and why should I care?" Well, that's precisely what we're here to explore.

In this comprehensive guide, we'll delve deep into the world of CodePen to uncover its features, functionalities, and the countless possibilities it offers to web developers. By the end of this blog, you'll have a clear understanding of what is Code Pen and be equipped with the knowledge to harness its power for your coding endeavors. So, let's dive in and unlock the potential of this remarkable online coding playground.

Screenshot 2023-09-21 142659.png


What is CodePen Used For?

CodePen is a versatile online development platform that serves many purposes in the Web Development world. Let's explore the various ways in which CodePen is utilized:

1. Rapid Prototyping and Experimentation

CodePen is an ideal environment for web developers and designers to prototype their ideas quickly. Whether sketching out a new design concept, testing a unique user interface, or experimenting with code, CodePen's live preview feature lets you see the results in real time. This makes it a valuable tool for refining your creative concepts before implementing them in a production environment.

2. Learning and Education

For those learning Web Development, CodePen can be an invaluable educational resource. Novices can examine and interact with live code examples created by experienced developers, gaining insights into best practices and innovative techniques. It's also an excellent platform for educators to create and share interactive coding lessons, helping students grasp complex concepts more quickly.

3. Collaborative Development

CodePen facilitates collaboration among developers and designers. Whether working on a team project or seeking peer feedback, you can easily share your CodePen creations. CodePen also offers collaboration features, such as commenting and version history, making it an excellent choice for group work.

4. Code Sharing and Embedding

Need to share a piece of code with a colleague or embed a live code snippet into documentation or a blog post? CodePen simplifies this process. You can create and share "Pens" (individual code projects) and easily embed them in websites, blogs, or forums, enhancing code-sharing capabilities.

5. Testing and Debugging

CodePen includes debugging tools and a console, making it an excellent platform for testing and refining your code. You can quickly identify and rectify issues in real-time while monitoring console messages and errors.

What is Codepen io? CodePen primarily operates under the domain

Getting Started with CodePen

CodePen is not just any online editor; it's a dynamic platform that empowers Web Developers and designers to bring their creative ideas to life. Let's walk through the essential steps to start with CodePen and understand how to use this versatile online editor.

How to use code from CodePen? - Incorporating code from CodePen into your projects is a breeze. CodePen provides a convenient "Export" feature that allows you to download your Pen's HTML, CSS, and JavaScript code. Once you've exported the code, you can effortlessly integrate it into your web development projects, whether you're building a website, or web application or experimenting with new code snippets.

A. Creating a CodePen Account

Navigate to CodePen: To begin your journey with CodePen, visit the website at This is where you'll access the online editor and its suite of features.

Sign Up: Click the "Sign Up" or "Join for Free" button to create your CodePen account. You can sign up using your email address or link your account to a social media platform for quick registration.

Profile Setup: After signing up, you'll have the opportunity to customize your profile. Upload a profile picture, add a bio, and set your preferences to personalize your CodePen experience.

B. Exploring the User Interface

Dashboard: Once logged in, you'll land on your dashboard. Here, you'll find an overview of your recent activity, projects, and interactions with the CodePen community.

Navigation Menu: The navigation menu on the left-hand side of the screen provides easy access to different sections of CodePen, including your profile, projects, and settings.

C. Creating Your First "Pen"

Click on "New Pen": To start creating your first project, click the "New Pen" button. A "Pen" in CodePen is a Web Development project or code snippet.

Code Editor: You'll be directed to the code editor interface. You can write and edit HTML, CSS, and JavaScript code here. CodePen also supports preprocessors like Sass and Less, making it versatile for various coding needs.

Read our latest blog on "Advantages and Disadvantages of CSS".

D. Understanding the Code Editor and Preview Panes

HTML, CSS, and JavaScript Tabs: In the code editor, you'll find separate tabs for HTML, CSS, and JavaScript. You can switch between these tabs to work on different aspects of your project.

Live Preview: The right-hand side of the screen displays a live preview of your project. As you code, you'll see the results in real time, allowing you to experiment and fine-tune your design or functionality effortlessly.

E. Saving and Sharing Your Work

Saving Your Pen: CodePen automatically saves your work as you make changes. However, it's a good practice to click the "Save" button to ensure your progress is saved. You can also provide your project's title, description, and tags.

Sharing Your Pen: Sharing your work is simple. You can click the "Share" button to generate a unique URL for your Pen. This URL can be shared with others, allowing them to view and interact with your project. CodePen also provides options to embed your Pen in websites and blogs.

In summary, CodePen online editor is a fantastic platform for web development and design enthusiasts. By following these steps on using CodePen, you can quickly create and share your coding projects, collaborate with others, and explore the vast possibilities of Web Development in a user-friendly and interactive environment.

Want to learn more about CodePen and how to integrate it into various platforms? Check out our Full Stack Developer course. The best thing about this course is that it is Pay After Placement i.e., you only pay for the career services after you are placed!

How to Use CodePen Code in VSCode?

CodePen is a convenient online code editor, but you may want to take your projects offline and work with them in a more feature-rich desktop code editor like Visual Studio Code (VSCode). Here's how you can use CodePen code in VSCode:

Export Your CodePen Project:

  • Open your CodePen project.
  • Click on the "Export" button in your project's bottom-right corner.
  • Choose the export options that best suit your needs. Typically, you'd select HTML, CSS, and JavaScript. CodePen will generate a zip file containing your project's code.

Download and Extract the Zip File:

  • Download the zip file generated by CodePen to your computer.
  • Extract the zip file's contents to a directory on your local machine.

Open VSCode:

  • Launch Visual Studio Code on your computer.

Create a New Project (or Open an Existing One):

  • Create a new project directory or open an existing one using VSCode's "Open Folder" feature.

Copy and Paste Code:

  • Open the files you extracted from the CodePen zip file using VSCode.
  • Copy the HTML, CSS, and JavaScript code from these files.
  • Create new files in your VSCode project for each part of the CodePen code (e.g., index.html, styles.css, script.js).
  • Paste the corresponding code into these new files.

Organize Your Files:

  • In VSCode, ensure your files are organized correctly within your project directory. For example, HTML files should be in the root folder and CSS and JavaScript files in their respective folders.

Preview Your Project:

  • Use VSCode's built-in live server extension or open your HTML file in a web browser to preview your project locally.
  • You've successfully imported and are working with your CodePen project in VSCode.

How to Use CodePen Code in HTML?

Screenshot 2023-09-21 142634.png

Codepen and HTML

If you have a specific code snippet or project from CodePen that you want to integrate into an existing HTML file, follow these steps:

Copy CodePen Code:

Go to your CodePen project and copy the HTML, CSS, and JavaScript code that you want to use.

Open or Create an HTML File:

Open your existing HTML file in a code editor (e.g., VSCode) or create a new HTML file.

Paste CodePen Code:

Depending on your requirements, paste the copied CodePen code into your HTML file, typically within the <body> or <head> sections.

Adjust Paths:

Ensure that any external resources like CSS or JavaScript files referenced in your CodePen code are correctly linked or included in your HTML file.

Preview Your HTML Page:

Open your HTML file in a web browser to see how your CodePen code integrates into the page.

By following these steps, you can easily incorporate CodePen code into your HTML files.

How to Use Bootstrap in CodePen?

Codepen and Bootstrap

Codepen and Bootstrap

CodePen provides a straightforward way to use Bootstrap, a popular CSS framework, in your web development projects. Here's how to use Bootstrap in CodePen:

Create a New Pen or Open an Existing One:

Start by creating a new Pen in CodePen or open an existing one where you want to use Bootstrap.

Add Bootstrap to Your Pen:

In the HTML section of your Pen, include the Bootstrap CSS and JavaScript by adding the following lines to your <head> section:

These CDN links will load the Bootstrap CSS and JavaScript libraries from external sources.

Use Bootstrap Classes:

With Bootstrap added to your Pen, you can now utilize Bootstrap's CSS classes and components to style and structure your content. Refer to Bootstrap's documentation for guidance on available classes and components.

Preview Your Pen:

In the live preview pane of your Pen, you can see how Bootstrap styles and components affect your content in real-time.

Following these steps, you can easily integrate Bootstrap into your CodePen projects and leverage its powerful styling capabilities.

How to use CodePen Code in WordPress?

Integrating CodePen code into a WordPress website is a straightforward process. First, create or locate the CodePen project you want to use. Then, switch to the HTML editor mode within your WordPress post or page editor and paste the CodePen embed code where you want the Pen to appear.

CodePen provides an "Embed" option that generates an iframe code snippet. Simply paste this iframe code into your WordPress editor, and your CodePen creation will be seamlessly embedded into your WordPress content. This allows you to showcase your interactive web development projects, prototypes, or code snippets within your WordPress website effortlessly, enhancing your content's visual appeal and interactivity.


In conclusion, CodePen stands as not just an online code editor but a vibrant and versatile hub for Web Developers, designers, and learners alike. It offers a multitude of benefits, from rapid prototyping and collaborative development to a platform for sharing and learning. Whether you're a seasoned coder or just dipping your toes into the world of Web Development, CodePen's user-friendly interface and powerful features make it an indispensable resource.

As you navigate your Web Development journey, consider CodePen as a valuable companion, empowering your creativity and coding proficiency. So, embrace this online coding playground, explore its vast potential, and, most importantly, enjoy the limitless possibilities it brings to your web development endeavors. Happy coding!

Frequently asked Questions

Q1. Is CodePen free or paid?

Ans. CodePen offers both free and paid plans. You can use it for free with some limitations, but CodePen also offers a Pro plan with additional features and benefits for a subscription fee.

Q2. Is CodePen an IDE?

Ans. CodePen is not a full-fledged integrated development environment (IDE). It's primarily an online code editor and playground specializing in web technologies like HTML, CSS, and JavaScript. While it offers a coding environment, it may not have all the features of a traditional IDE.

Q3. Is CodePen only for HTML?

Ans. No, CodePen supports multiple web technologies. While it's well-suited for HTML, it allows you to write and run CSS and JavaScript code. You can even use preprocessors like Sass and Less, making it a versatile tool for web development.

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