JavaScript & TypeScript playground with real-time execution, and advanced features. Built with Electron for macOS, Windows, and Linux.
Everything you need for JavaScript and TypeScript development in one place
Smart auto-run with complete code detection and secure sandbox execution
Transpilation and type checking built-in. No configuration required.
The power of VS Code in your hands. IntelliSense and autocompletion included.
No connection, no limits. Your code never leaves your machine.
Isolated execution with timeouts. Experiment safely.
Open source and free. Contribute, learn, and customize.
Powered by industry-leading tools and frameworks for the best development experience
Multiplatform portal
Type safety and type checking
Lightning-fast development
Download WizardJS and unlock the power of instant JavaScript and TypeScript code writing and execution.