Code, test & share everywhere
in real-time.
A fast code and web editor with live JavaScript output
No account needed. Sign up to unlock the code editor and full platform access.
Features
Everything you need. Nothing you don't.
Built for developers who value speed, clarity, and distraction-free workflow.
Live Preview
Web editor runs JavaScript live in browser — no backend, no install, zero friction.
Instant Sharing
Share code with a single click. View public snippets — no account required.
19 Languages
JS free in code editor. Get Pro for TypeScript, Python, Rust, Go and many more...
Fast Execution
Sub-second execution in isolated sandboxes. No cold starts, no timeouts.
Dev Profiles
Showcase snippets, track stats, test code. Sign up required.
Community
Discover public snippets.
Browse code shared by developers worldwide — no account needed.
Binary Search Tree
class BST<T> {
insert(val: T) { … }
Async Rate Limiter
const limiter = new RateLimiter({
max: 100, window: '1m'
});
Rust HTTP Server
#[tokio::main]
async fn main() { … }
ML Gradient Descent
def gradient_descent(X, y, lr=0.01): …
Plans
Simple and transparent. No hidden costs.
Choose the right plan. Start for free, upgrade to Pro whenever you want.
Free
€0 / forever
Free web editor, no account required.
- ✓ Web editor + JS runtime
- ✓ Live output in the browser
- ✓ Download your/others snippets
- ✓ Snippet sharing and saving in /profile
- ✗ Other languages
- ✗ Advanced features
Pro
Most popularFull access to all languages and features.
- ✓ Everything in Free tier
- ✓ 19 languages
- ✓ Full editor
- ✓ 24/7 support
- ✓ Pro Badge in the profile
- ✓ Snippets pastable from the code editor
Start building. Right now.
Open the web editor and run HTML CSS & JS instantly, no account, no setup. Sign up for full platform access.