What’s a Sandbox?
A sandbox needs no setup - use a template to kickstart new projects, or start from a GitHub repo and begin coding in seconds.






Code collaboration made easy
A link is all you need to hop into a sandbox and keep development work flowing.

Rapid Prototyping
Quickly create real, working prototypes. Test ideas earlier and iterate more.
Knowledge Sharing
Use code, apps, and templates collectively. Learn from each other and bake-in best practice.
Better Feedback
Give and get feedback, on code or visuals, right in the editor. Take action and move forward faster.
The best JavaScript dev experience
Supercharged with npm
Use private packages, or any of the 1M+ public ones, to build powerful apps quickly.
Optimized for frameworks
Custom environments built specifically for React, Vue, Angular, and many more.
Integrated with GitHub
Import and run repos direct from GitHub. Or export your sandbox to a repo.
What others are saying
“It's dramatically improved my experience of sharing ideas”

Brian Vaughn
Software Engineer, React Core Team
“CodeSandbox continues to amaze me every day”

Peggy Rayzis
Engineering Manager, Apollo GraphQL
“It feels much more like my local environment”

Jonnie Hallman
Designer Developer, Stripe
Free for personal use
Create static sites, components, or full-stack web apps with a community who’ve crafted 900,000 public sandboxes and counting.
Get started, it’s free