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How to Use: Code Playground

Cutterfy Team
November 7, 2025

What is the Code Playground?

The Code Playground is a live, in-browser development environment for front-end web technologies. It allows users to write and test HTML, CSS, and JavaScript code and see the results render in real-time, without needing any local setup, file saving, or server configuration.

History of this Feature

Code playgrounds (also known as sandboxes) became popular with the rise of collaborative web development and online learning. Tools like JSFiddle and CodePen pioneered the concept of a simple, shareable interface for testing code snippets. Our Code Playground was created to offer a similar, streamlined experience directly within the Cutterfy toolkit, making it an ideal tool for quick experiments, debugging, and learning the basics of front-end development.

Who Commonly Uses This Feature?

This tool is widely used by web developers for prototyping and testing small code snippets, students learning HTML, CSS, and JavaScript, and designers experimenting with visual styles. It's also a great resource for anyone who wants to quickly try out an idea without the overhead of creating a full project.

How to Use the Code Playground

  1. Select a Language: Use the tabs (HTML, CSS, JS) on the left panel to switch between the code editors.
  2. Write Your Code: Write or paste your code into the corresponding text area for each language.
  3. See the Live Preview: The "Preview" panel on the right will update in real-time to show you the rendered result of your code.
  4. Adjust the Layout: Drag the vertical handle between the two panels to resize them to your preference.

This tool is perfect for quick experiments, testing out ideas, or learning front-end development.