WebFiddleWebFiddle
    TS
    TypeScript Playground
    Compiled JavaScript
    Console
    Output will appear here after execution.
    ReadyTypeScript v5.8.3
    Ln 1, Col 1© WebFiddle.xyz

    About This TypeScript Playground

    Write, compile, and run TypeScript directly in your browser. Full IntelliSense, real-time transpilation to JavaScript, and instant console output. No setup, no installs — just pure TypeScript.

    Key Features

    • check_circleFull Monaco editor with TypeScript IntelliSense
    • check_circleReal-time transpilation — see compiled JS instantly
    • check_circleAuto-run with 1-second debounce
    • check_circle8 built-in examples covering core TS concepts
    • check_circleConfigurable compiler: strict mode, target version
    • check_circleShare code via unique URLs

    How to Use

    1. 1Write TypeScript code in the editor panel.
    2. 2See the compiled JavaScript output in real-time.
    3. 3View console.log results in the Console panel.
    4. 4Try examples from the dropdown to learn TS concepts.
    5. 5Click Share to generate a link to your code.

    Frequently Asked Questions

    Yes! We use the official TypeScript compiler (v5.x) running entirely in your browser. Your code is transpiled and executed client-side.

    The sandbox supports core TypeScript features. External npm imports are not available, but all built-in types and language features work fully.

    No. Everything runs locally in your browser. Your code never leaves your device unless you share it via URL.

    We use the latest TypeScript 5.x compiler, supporting all modern features like satisfies, const type parameters, and decorators.

    Embed this sandbox

    Drop this into any page and readers can run code without leaving it. The snippet travels in the URL, so there is nothing to host and no account to create. Open the sandbox, write your example, press Share, then paste that link’s query onto the embed URL to preload it.

    <iframe src="https://webfiddle.xyz/embed/typescript" width="100%" height="480" loading="lazy"
        style="border:1px solid #ddd;border-radius:8px"
        title="WebFiddle typescript sandbox"></iframe>
    Preview the embed