The fastest way to test ideas and get feedback.
An idea can sound great on paper, but will it work in reality? With CodeSandbox you can try ideas, experiment with code, and produce proof of concepts with free, instant, collaborative sandboxes for rapid web development and sharing. Validate your ideas and get feedback faster.
Software Architect, Universal Audio
Work on code with friends and colleagues. Edit sandboxes together, just like in a Google Doc. With built-in chat you can discuss your changes.
Get started right away with a template for any popular framework, or create your own—turn any sandbox into a pre-configured starting point.
With Hot Module Reloading and live previews, you can see changes as you type.