StackBlitz

StackBlitz runs full development environments instantly in the browser with WebContainers, powering one-click dev setups and AI coding workflows.

Overview

StackBlitz’s WebContainers technology boots a complete Node.js development environment inside the browser tab, with near-native performance. That means opening a repository, running the dev server, editing and sharing a working app takes seconds — no setup, no container waiting. It underpins tools like Bolt.new and is used by open-source projects for instant “edit this code” links.

For teams, StackBlitz offers private, secure dev environments that run locally in the browser tab, keeping code off third-party servers while enabling real-time collaboration. The platform supports monorepos, npm installs and full debugging, which surprised many developers with how complete the in-browser environment has become.

StackBlitz’s technology deserves emphasis: WebContainers run a real Node.js runtime inside the browser tab, so installs, dev servers and hot reload work without remote VMs. This makes environments instant to boot, inherently private and cheap to scale. It powers one-click contribution workflows for open-source projects and underpins AI app builders like Bolt.new. Team features add private projects and shared environments with real-time collaboration.

Key Features

• Instant in-browser Node.js dev environments via WebContainers
• Full npm installs, dev servers and debugging in a tab
• One-click repository launching and shareable preview URLs
• Real-time collaboration on the same environment
• Private, secure execution — code stays in the browser
• Monorepo and large project support

Pricing

StackBlitz is free for public and personal use; paid plans add private projects, team workspaces and enterprise security features.

Who Is It For

Developers and teams who want zero-setup dev environments, instant open-source contribution flows and browser-based collaboration.

FAQ

Is StackBlitz free to use?

Yes, free for individuals and open source; team and enterprise capabilities are paid.

Does StackBlitz offer an API?

StackBlitz provides SDKs and embeds for launching environments programmatically from docs and websites.

How does StackBlitz compare to alternatives?

WebContainers run locally in the tab, making it faster and more private than cloud VM-based dev environments.

Can StackBlitz run full Node.js development environments?

Yes — WebContainers execute real Node.js tooling in the browser, including npm installs, dev servers and debugging.

What are the main use cases of StackBlitz?

StackBlitz shines in scenarios demanding instant, shareable development environments. Open-source maintainers embed one-click launch links in documentation so contributors can fix bugs in seconds. Teams use it for standardized onboarding, live design reviews and reproducible bug reproduction. It is the engine behind AI app builders such as Bolt.new, where full Node.js environments run in the browser. Privacy-sensitive organizations also value that WebContainers execute locally in the tab, keeping source code off third-party servers while still delivering cloud-like convenience.