TypeScript Playground
Write TypeScript and see the transpiled JavaScript output alongside syntax diagnostics, all running in your browser.
Your file is processed locally in your browser and is not uploaded to our server.
JavaScript output
How to use TypeScript Playground
- 1Write or paste TypeScript code on the left.
- 2The transpiled JavaScript output appears on the right, along with any syntax diagnostics.
Frequently asked questions
No — this transpiles a single file to JavaScript and reports syntax-level diagnostics, similar to running a file through the TypeScript compiler in isolation. It does not resolve imports or perform full cross-file type checking.
The version bundled with this site, running entirely in your browser — no code is sent to a server.
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