WebContainer API allows you to develop and test web projects directly within the browser, making local setups faster and more accessible without installing anything.

You can run entire Node.js environments right inside your browser, ideal for testing backend code or running full-stack apps during development and demos.

Start coding instantly—WebContainers launch in seconds, so there's no waiting around, perfect for quick experiments or onboarding new team members.

Create custom environments tailored to your project’s needs, similar to Docker, but optimized for the browser, enabling consistent setups across teams.

Supports popular JavaScript frameworks, package managers, and tools, making it easy to develop React, Vue, Angular, or other projects without additional configuration.

Edit your code and see the results immediately in the browser, facilitating rapid testing and debugging—think of it as live collaboration with your code.