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CodeSandbox is an online code editor for rapid web development and collaboration. Create, share, and prototype projects easily.
Amsterdam, Netherlands
CodeSandbox
2017

CodeSandbox is a powerful online code editor designed for rapid web development. It offers instant project setup with support for modern JavaScript frameworks like React, Vue, and Angular, allowing developers to prototype, share, and collaborate seamlessly in the cloud. With real-time code previews and GitHub integration, it streamlines workflows and eliminates setup hassles. Whether you’re experimenting or building full-fledged apps, CodeSandbox turns your browser into a dynamic development playground.
Rapid prototyping and sharing web applications, especially for frontend developers using JavaScript, React, Vue, and other web frameworks.


One private sandbox
Basic features
Community support
Unlimited private sandboxes
Advanced features
Priority support
Team collaboration
Unlimited private sandboxes
Dedicated support & onboarding

| Platform | Description | Pricing | Website | 
|---|---|---|---|
| StackBlitz | Online IDE for web development supporting Angular, React, and more. | Free with optional paid plans for additional features | |
| Replit | Collaborative coding environment with support for multiple languages and instant hosting. | Free tier with paid plans starting at $7/month for additional storage and features | |
| CodePen | In-browser code editor and community for HTML, CSS, and JavaScript snippets. | Free with premium features available via subscription | |
| JSFiddle | Online HTML, CSS, JavaScript playground for testing and sharing code snippets. | Free basic plan, paid plans with enhanced features and storage | |
| GitHub Codespaces | Cloud-based development environment integrated with GitHub for collaborative coding. | Free tier, with paid plans starting at $19/month | 

Excellent online IDE with great support for multiple languages and frameworks.
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Efficient for testing ideas and collaboration, saving time effectively.
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Convenient and easy to use, but slower with larger projects.
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CodeSandbox is a user-friendly online coding platform that makes sharing and collaborating on web projects easy. Its real-time editing and wide range of templates make development smooth, though it could benefit from more advanced debugging tools for seasoned developers.

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