Learn and Experiment

Improve how you learn by coding
in our powerful sandboxes.

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100+
templates
to start.

Learn and experiment quickly using our templates for the main JavaScript frameworks.

No setup.
One click and start coding.

Start coding instantly without worrying about the configuration.

Our sandboxes have everything you need: dev servers, unit tests, Storybook and other devtools.

Dependency Picker

1M+
npm packages waiting for you.

Stop using the terminal to do quick tests. Add or update any dependency directly through our interface.

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Cloud Sandboxes

Unleash the power of the cloud.

Code anything really fast, with no limits.

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microVMs

Never be constrained by your machine. Our powerful microVMs run everything for you, so you can code on any device.

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Code always ready

Every sandbox runs behind a shareable URL. Open with a click and just keep on coding.

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Databases and servers

Work with back-end code and add databases and servers easily with our Docker support.

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Live Collaboration

Learn faster with timely feedback.

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Share a link

Need help figuring something out? Just share the link of your sandbox on Stack Overflow, Twitter or with colleagues to get instant feedback on your code.

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Share the context

Anyone opening a link to your sandbox will see your code running along with any tests, Storybook, or tasks you configured.

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Live coding

Take learning to the next level by doing live coding sessions. Guide others through the code and learn by building something together.

Discover

Get inspired with creative sandboxes.

Like an idea? Take it into your project. It's simple. Click, fork, tweak and keep building.

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Accelerate your workflow.

Try it for yourself! Start coding for free and upgrade anytime.

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Meet Boxy, your new AI coding assistant.